Steam player countSteam18,947
Tarkov
Strike Industries KeyMod 4 inch rail

Strike Industries KeyMod 4 inch rail

SI 4"
Last
7,000 ₽
Min 24h
7,000 ₽
Avg 24h
8,500 ₽
Flea offers
2
↑0 ↓1 /day
Profit / limit
+32,809 ₽
+4,687 ₽/pc × 7
Movement or profit is inconsistent
Base price
1,009 ₽
Buy
Mechanic
1,640 ₽
Mechanic LL1
limit 7
Trader buyback
Jaeger
484 ₽
Jaeger
Trader buyback
Mechanic
454 ₽
Mechanic
Trader buyback
Prapor
403 ₽
Prapor
Trader buyback
Ref
403 ₽
Ref
Trader buyback
Skier
393 ₽
Skier
Trader buyback
Peacekeeper
363 ₽
Peacekeeper
Trader buyback
Fence
242 ₽
Fence
How profit is calculated
Buy / item1,640 ₽
Estimated sell / item7,000 ₽
Fee / item673 ₽
Profit / item4,687 ₽

Restock profit = profit per item × the full limit of the selected trader offer. Hideout fee discounts are excluded. Market activity reflects changes in prices and listings, not completed sales.

Stats

Weight0.07 kg
Size1×1
Ergonomics modifier-0.15

Price chart

The line shows interval averages. Times are UTC.16021,55642,95112/0819/0827/0803/0911/09036Average offer count: 1 12/08/2026, 00:00:25 UTCAverage offer count: 2.5 12/08/2026, 22:12:57 — 13/08/2026, 00:02:58 UTCAverage offer count: 4.67 13/08/2026, 02:42:58 — 13/08/2026, 06:12:58 UTCAverage offer count: 4.5 13/08/2026, 08:02:59 — 13/08/2026, 10:10:51 UTCAverage offer count: 2 13/08/2026, 12:00:50 — 13/08/2026, 14:10:52 UTCAverage offer count: 1.5 13/08/2026, 16:10:51 — 13/08/2026, 18:10:51 UTCAverage offer count: 2.33 13/08/2026, 20:00:51 — 13/08/2026, 22:10:51 UTCAverage offer count: 2 14/08/2026, 00:00:52 — 14/08/2026, 02:40:52 UTCAverage offer count: 1 14/08/2026, 04:00:52 — 14/08/2026, 08:00:52 UTCAverage offer count: 1 14/08/2026, 10:10:52 UTCAverage offer count: 1 15/08/2026, 00:00:53 UTCAverage offer count: 1 15/08/2026, 06:10:53 UTCAverage offer count: 1.5 15/08/2026, 12:10:53 — 15/08/2026, 14:10:53 UTCAverage offer count: 1 16/08/2026, 00:00:54 UTCAverage offer count: 1 17/08/2026, 00:00:55 UTCAverage offer count: 1 17/08/2026, 18:30:57 UTCAverage offer count: 1 18/08/2026, 00:00:57 — 18/08/2026, 00:30:57 UTCAverage offer count: 1 18/08/2026, 18:30:58 — 18/08/2026, 20:20:57 UTCAverage offer count: 1 19/08/2026, 00:00:57 UTCAverage offer count: 1 19/08/2026, 16:20:59 UTCAverage offer count: 3 19/08/2026, 20:20:58 UTCAverage offer count: 3 20/08/2026, 00:00:59 UTCAverage offer count: 1.5 20/08/2026, 12:21:00 — 20/08/2026, 14:21:00 UTCAverage offer count: 3 20/08/2026, 16:21:00 — 20/08/2026, 18:21:01 UTCAverage offer count: 4 20/08/2026, 20:31:01 — 21/08/2026, 00:01:01 UTCAverage offer count: 4 21/08/2026, 00:31:00 — 21/08/2026, 04:21:01 UTCAverage offer count: 2 21/08/2026, 06:21:01 UTCAverage offer count: 2 21/08/2026, 16:51:01 UTCAverage offer count: 1.8 21/08/2026, 22:21:01 — 22/08/2026, 00:51:01 UTCAverage offer count: 1 22/08/2026, 02:21:01 — 22/08/2026, 06:21:01 UTCAverage offer count: 1.33 22/08/2026, 06:41:04 — 22/08/2026, 10:41:02 UTCAverage offer count: 2 22/08/2026, 12:41:01 — 22/08/2026, 14:51:01 UTCAverage offer count: 1 22/08/2026, 16:41:02 — 22/08/2026, 18:51:03 UTCAverage offer count: 2.5 22/08/2026, 20:51:02 — 22/08/2026, 22:51:02 UTCAverage offer count: 4.67 23/08/2026, 00:01:02 — 23/08/2026, 02:41:02 UTCAverage offer count: 5 23/08/2026, 04:41:02 — 23/08/2026, 06:41:02 UTCAverage offer count: 3 23/08/2026, 08:41:03 — 23/08/2026, 12:41:03 UTCAverage offer count: 5 23/08/2026, 12:51:03 — 23/08/2026, 16:51:03 UTCAverage offer count: 5 23/08/2026, 18:51:04 — 23/08/2026, 20:51:03 UTCAverage offer count: 2.33 23/08/2026, 22:51:03 — 24/08/2026, 00:51:03 UTCAverage offer count: 1 24/08/2026, 02:41:03 — 24/08/2026, 04:51:03 UTCAverage offer count: 1.5 24/08/2026, 06:41:03 — 24/08/2026, 08:51:03 UTCAverage offer count: 3 24/08/2026, 10:41:04 — 24/08/2026, 14:41:04 UTCAverage offer count: 3 24/08/2026, 16:51:04 — 24/08/2026, 18:51:05 UTCAverage offer count: 3 24/08/2026, 20:51:04 — 24/08/2026, 22:51:04 UTCAverage offer count: 3 25/08/2026, 00:01:04 — 25/08/2026, 02:51:05 UTCAverage offer count: 3 25/08/2026, 04:51:05 — 25/08/2026, 06:51:05 UTCAverage offer count: 3 25/08/2026, 10:51:05 UTCAverage offer count: 1 25/08/2026, 12:51:05 UTCAverage offer count: 1 26/08/2026, 00:01:06 UTCAverage offer count: 1.33 27/08/2026, 00:01:06 — 27/08/2026, 02:51:07 UTCAverage offer count: 3 27/08/2026, 06:51:07 UTCAverage offer count: 3 28/08/2026, 00:01:08 UTCAverage offer count: 3 28/08/2026, 06:51:08 UTCAverage offer count: 1 28/08/2026, 22:51:09 — 29/08/2026, 02:51:09 UTCAverage offer count: 1 29/08/2026, 04:51:09 UTCAverage offer count: 2 29/08/2026, 10:51:09 UTCAverage offer count: 2.5 29/08/2026, 13:01:09 — 29/08/2026, 15:01:09 UTCAverage offer count: 5 29/08/2026, 18:51:10 UTCAverage offer count: 6.33 29/08/2026, 20:51:10 — 30/08/2026, 00:01:10 UTCAverage offer count: 5.67 30/08/2026, 00:51:10 — 30/08/2026, 03:01:10 UTCAverage offer count: 3 30/08/2026, 04:51:09 — 30/08/2026, 08:51:10 UTCAverage offer count: 2 30/08/2026, 10:51:10 — 30/08/2026, 13:01:10 UTCAverage offer count: 2 30/08/2026, 15:08:48 — 30/08/2026, 16:58:48 UTCAverage offer count: 2 30/08/2026, 18:58:48 — 30/08/2026, 20:58:48 UTCAverage offer count: 2 30/08/2026, 22:58:48 — 31/08/2026, 00:58:48 UTCAverage offer count: 2 31/08/2026, 04:58:49 UTCAverage offer count: 2 01/09/2026, 00:02:49 UTCAverage offer count: 2 02/09/2026, 00:02:51 UTCAverage offer count: 1 02/09/2026, 12:52:51 UTCAverage offer count: 2 02/09/2026, 20:52:52 — 02/09/2026, 22:52:53 UTCAverage offer count: 3 03/09/2026, 00:02:53 — 03/09/2026, 02:52:52 UTCAverage offer count: 5 03/09/2026, 04:52:52 — 03/09/2026, 06:52:53 UTCAverage offer count: 4.5 03/09/2026, 08:52:53 — 03/09/2026, 11:02:53 UTCAverage offer count: 4 03/09/2026, 12:52:54 — 03/09/2026, 16:52:53 UTCAverage offer count: 4 03/09/2026, 18:52:53 — 03/09/2026, 20:52:53 UTCAverage offer count: 4 03/09/2026, 22:52:54 — 04/09/2026, 01:02:53 UTCAverage offer count: 4 04/09/2026, 02:52:53 — 04/09/2026, 04:52:54 UTCAverage offer count: 4 04/09/2026, 06:52:55 — 04/09/2026, 08:52:54 UTCAverage offer count: 4 04/09/2026, 11:02:54 — 04/09/2026, 13:02:54 UTCAverage offer count: 2.5 04/09/2026, 15:02:55 — 04/09/2026, 17:02:55 UTCAverage offer count: 1 05/09/2026, 00:02:54 UTCAverage offer count: 1 06/09/2026, 00:02:59 UTCAverage offer count: 1 06/09/2026, 01:32:14 UTCAverage offer count: 1 07/09/2026, 00:07:40 UTCAverage offer count: 1 07/09/2026, 17:21:25 — 07/09/2026, 19:15:22 UTCAverage offer count: 1 07/09/2026, 21:25:22 — 08/09/2026, 00:05:23 UTCAverage offer count: 2.5 08/09/2026, 01:15:24 — 08/09/2026, 03:15:24 UTCAverage offer count: 2 08/09/2026, 05:25:25 — 08/09/2026, 07:15:25 UTCAverage offer count: 1 08/09/2026, 14:34:33 — 08/09/2026, 17:23:07 UTCAverage offer count: 1 08/09/2026, 19:13:08 — 08/09/2026, 21:23:07 UTCAverage offer count: 1 08/09/2026, 23:23:07 — 09/09/2026, 01:13:08 UTCAverage offer count: 1 09/09/2026, 03:13:09 UTCAverage offer count: 1 10/09/2026, 00:03:18 UTCAverage offer count: 1 11/09/2026, 00:06:06 UTCAverage offer count: 2 11/09/2026, 04:36:06 — 11/09/2026, 06:36:06 UTCAverage price: 10,000 ₽ Price range: 10,000 – 10,000 ₽ 12/08/2026, 00:00:25 UTCAverage price: 19,500 ₽ Price range: 12,000 – 27,000 ₽ 12/08/2026, 22:12:57 — 13/08/2026, 00:02:58 UTCAverage price: 11,407.33 ₽ Price range: 11,111 – 12,000 ₽ 13/08/2026, 02:42:58 — 13/08/2026, 06:12:58 UTCAverage price: 11,111 ₽ Price range: 11,111 – 11,111 ₽ 13/08/2026, 08:02:59 — 13/08/2026, 10:10:51 UTCAverage price: 11,111 ₽ Price range: 11,111 – 11,111 ₽ 13/08/2026, 12:00:50 — 13/08/2026, 14:10:52 UTCAverage price: 9,000 ₽ Price range: 9,000 – 9,000 ₽ 13/08/2026, 16:10:51 — 13/08/2026, 18:10:51 UTCAverage price: 8,966.67 ₽ Price range: 8,900 – 9,000 ₽ 13/08/2026, 20:00:51 — 13/08/2026, 22:10:51 UTCAverage price: 9,000 ₽ Price range: 9,000 – 9,000 ₽ 14/08/2026, 00:00:52 — 14/08/2026, 02:40:52 UTCAverage price: 9,000 ₽ Price range: 9,000 – 9,000 ₽ 14/08/2026, 04:00:52 — 14/08/2026, 08:00:52 UTCAverage price: 9,000 ₽ Price range: 9,000 – 9,000 ₽ 14/08/2026, 10:10:52 UTCAverage price: 9,000 ₽ Price range: 9,000 – 9,000 ₽ 15/08/2026, 00:00:53 UTCAverage price: 3,333 ₽ Price range: 3,333 – 3,333 ₽ 15/08/2026, 06:10:53 UTCAverage price: 3,222 ₽ Price range: 3,111 – 3,333 ₽ 15/08/2026, 12:10:53 — 15/08/2026, 14:10:53 UTCAverage price: 3,333 ₽ Price range: 3,333 – 3,333 ₽ 16/08/2026, 00:00:54 UTCAverage price: 3,333 ₽ Price range: 3,333 – 3,333 ₽ 17/08/2026, 00:00:55 UTCAverage price: 12,999 ₽ Price range: 12,999 – 12,999 ₽ 17/08/2026, 18:30:57 UTCAverage price: 11,499 ₽ Price range: 9,999 – 12,999 ₽ 18/08/2026, 00:00:57 — 18/08/2026, 00:30:57 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 18/08/2026, 18:30:58 — 18/08/2026, 20:20:57 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 19/08/2026, 00:00:57 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 19/08/2026, 16:20:59 UTCAverage price: 12,344 ₽ Price range: 12,344 – 12,344 ₽ 19/08/2026, 20:20:58 UTCAverage price: 12,344 ₽ Price range: 12,344 – 12,344 ₽ 20/08/2026, 00:00:59 UTCAverage price: 10,000 ₽ Price range: 10,000 – 10,000 ₽ 20/08/2026, 12:21:00 — 20/08/2026, 14:21:00 UTCAverage price: 10,000 ₽ Price range: 10,000 – 10,000 ₽ 20/08/2026, 16:21:00 — 20/08/2026, 18:21:01 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 20/08/2026, 20:31:01 — 21/08/2026, 00:01:01 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 21/08/2026, 00:31:00 — 21/08/2026, 04:21:01 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 21/08/2026, 06:21:01 UTCAverage price: 15,000 ₽ Price range: 15,000 – 15,000 ₽ 21/08/2026, 16:51:01 UTCAverage price: 17,777.6 ₽ Price range: 15,000 – 28,888 ₽ 21/08/2026, 22:21:01 — 22/08/2026, 00:51:01 UTCAverage price: 27,221.5 ₽ Price range: 25,555 – 28,888 ₽ 22/08/2026, 02:21:01 — 22/08/2026, 06:21:01 UTCAverage price: 24,703.33 ₽ Price range: 23,000 – 25,555 ₽ 22/08/2026, 06:41:04 — 22/08/2026, 10:41:02 UTCAverage price: 23,500 ₽ Price range: 23,000 – 24,000 ₽ 22/08/2026, 12:41:01 — 22/08/2026, 14:51:01 UTCAverage price: 24,000 ₽ Price range: 24,000 – 24,000 ₽ 22/08/2026, 16:41:02 — 22/08/2026, 18:51:03 UTCAverage price: 21,000 ₽ Price range: 20,000 – 22,000 ₽ 22/08/2026, 20:51:02 — 22/08/2026, 22:51:02 UTCAverage price: 14,740.67 ₽ Price range: 12,000 – 20,000 ₽ 23/08/2026, 00:01:02 — 23/08/2026, 02:41:02 UTCAverage price: 12,222 ₽ Price range: 12,222 – 12,222 ₽ 23/08/2026, 04:41:02 — 23/08/2026, 06:41:02 UTCAverage price: 19,499.5 ₽ Price range: 16,999 – 22,000 ₽ 23/08/2026, 08:41:03 — 23/08/2026, 12:41:03 UTCAverage price: 15,111 ₽ Price range: 15,000 – 15,555 ₽ 23/08/2026, 12:51:03 — 23/08/2026, 16:51:03 UTCAverage price: 15,000 ₽ Price range: 15,000 – 15,000 ₽ 23/08/2026, 18:51:04 — 23/08/2026, 20:51:03 UTCAverage price: 15,000 ₽ Price range: 15,000 – 15,000 ₽ 23/08/2026, 22:51:03 — 24/08/2026, 00:51:03 UTCAverage price: 14,666.25 ₽ Price range: 14,555 – 15,000 ₽ 24/08/2026, 02:41:03 — 24/08/2026, 04:51:03 UTCAverage price: 13,666.25 ₽ Price range: 11,000 – 14,555 ₽ 24/08/2026, 06:41:03 — 24/08/2026, 08:51:03 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 24/08/2026, 10:41:04 — 24/08/2026, 14:41:04 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 24/08/2026, 16:51:04 — 24/08/2026, 18:51:05 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 24/08/2026, 20:51:04 — 24/08/2026, 22:51:04 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 25/08/2026, 00:01:04 — 25/08/2026, 02:51:05 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 25/08/2026, 04:51:05 — 25/08/2026, 06:51:05 UTCAverage price: 11,000 ₽ Price range: 11,000 – 11,000 ₽ 25/08/2026, 10:51:05 UTCAverage price: 40,000 ₽ Price range: 40,000 – 40,000 ₽ 25/08/2026, 12:51:05 UTCAverage price: 40,000 ₽ Price range: 40,000 – 40,000 ₽ 26/08/2026, 00:01:06 UTCAverage price: 28,147.67 ₽ Price range: 22,221 – 40,000 ₽ 27/08/2026, 00:01:06 — 27/08/2026, 02:51:07 UTCAverage price: 18,888 ₽ Price range: 18,888 – 18,888 ₽ 27/08/2026, 06:51:07 UTCAverage price: 18,888 ₽ Price range: 18,888 – 18,888 ₽ 28/08/2026, 00:01:08 UTCAverage price: 18,888 ₽ Price range: 18,888 – 18,888 ₽ 28/08/2026, 06:51:08 UTCAverage price: 10,370 ₽ Price range: 5,555 – 20,000 ₽ 28/08/2026, 22:51:09 — 29/08/2026, 02:51:09 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 29/08/2026, 04:51:09 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 29/08/2026, 10:51:09 UTCAverage price: 18,000 ₽ Price range: 18,000 – 18,000 ₽ 29/08/2026, 13:01:09 — 29/08/2026, 15:01:09 UTCAverage price: 11,111 ₽ Price range: 11,111 – 11,111 ₽ 29/08/2026, 18:51:10 UTCAverage price: 6,037 ₽ Price range: 3,500 – 11,111 ₽ 29/08/2026, 20:51:10 — 30/08/2026, 00:01:10 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 00:51:10 — 30/08/2026, 03:01:10 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 04:51:09 — 30/08/2026, 08:51:10 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 10:51:10 — 30/08/2026, 13:01:10 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 15:08:48 — 30/08/2026, 16:58:48 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 18:58:48 — 30/08/2026, 20:58:48 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 30/08/2026, 22:58:48 — 31/08/2026, 00:58:48 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 31/08/2026, 04:58:49 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 01/09/2026, 00:02:49 UTCAverage price: 3,500 ₽ Price range: 3,500 – 3,500 ₽ 02/09/2026, 00:02:51 UTCAverage price: 8,000 ₽ Price range: 8,000 – 8,000 ₽ 02/09/2026, 12:52:51 UTCAverage price: 7,484 ₽ Price range: 6,969 – 7,999 ₽ 02/09/2026, 20:52:52 — 02/09/2026, 22:52:53 UTCAverage price: 6,749.5 ₽ Price range: 5,500 – 7,999 ₽ 03/09/2026, 00:02:53 — 03/09/2026, 02:52:52 UTCAverage price: 5,500 ₽ Price range: 5,500 – 5,500 ₽ 03/09/2026, 04:52:52 — 03/09/2026, 06:52:53 UTCAverage price: 5,500 ₽ Price range: 5,500 – 5,500 ₽ 03/09/2026, 08:52:53 — 03/09/2026, 11:02:53 UTCAverage price: 4,299.6 ₽ Price range: 3,999 – 5,500 ₽ 03/09/2026, 12:52:54 — 03/09/2026, 16:52:53 UTCAverage price: 3,999 ₽ Price range: 3,999 – 3,999 ₽ 03/09/2026, 18:52:53 — 03/09/2026, 20:52:53 UTCAverage price: 3,999 ₽ Price range: 3,999 – 3,999 ₽ 03/09/2026, 22:52:54 — 04/09/2026, 01:02:53 UTCAverage price: 3,999 ₽ Price range: 3,999 – 3,999 ₽ 04/09/2026, 02:52:53 — 04/09/2026, 04:52:54 UTCAverage price: 3,999 ₽ Price range: 3,999 – 3,999 ₽ 04/09/2026, 06:52:55 — 04/09/2026, 08:52:54 UTCAverage price: 3,999 ₽ Price range: 3,999 – 3,999 ₽ 04/09/2026, 11:02:54 — 04/09/2026, 13:02:54 UTCAverage price: 15,999.5 ₽ Price range: 3,999 – 28,000 ₽ 04/09/2026, 15:02:55 — 04/09/2026, 17:02:55 UTCAverage price: 28,000 ₽ Price range: 28,000 – 28,000 ₽ 05/09/2026, 00:02:54 UTCAverage price: 28,000 ₽ Price range: 28,000 – 28,000 ₽ 06/09/2026, 00:02:59 UTCAverage price: 28,000 ₽ Price range: 28,000 – 28,000 ₽ 06/09/2026, 01:32:14 UTCAverage price: 28,000 ₽ Price range: 28,000 – 28,000 ₽ 07/09/2026, 00:07:40 UTCAverage price: 19,994 ₽ Price range: 19,994 – 19,994 ₽ 07/09/2026, 17:21:25 — 07/09/2026, 19:15:22 UTCAverage price: 19,994 ₽ Price range: 19,994 – 19,994 ₽ 07/09/2026, 21:25:22 — 08/09/2026, 00:05:23 UTCAverage price: 9,999 ₽ Price range: 9,999 – 9,999 ₽ 08/09/2026, 01:15:24 — 08/09/2026, 03:15:24 UTCAverage price: 14,999.5 ₽ Price range: 9,999 – 20,000 ₽ 08/09/2026, 05:25:25 — 08/09/2026, 07:15:25 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 08/09/2026, 14:34:33 — 08/09/2026, 17:23:07 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 08/09/2026, 19:13:08 — 08/09/2026, 21:23:07 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 08/09/2026, 23:23:07 — 09/09/2026, 01:13:08 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 09/09/2026, 03:13:09 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 10/09/2026, 00:03:18 UTCAverage price: 20,000 ₽ Price range: 20,000 – 20,000 ₽ 11/09/2026, 00:06:06 UTCAverage price: 7,000 ₽ Price range: 7,000 – 7,000 ₽ 11/09/2026, 04:36:06 — 11/09/2026, 06:36:06 UTC

Purple: price, ₽; gray: offer count. Lines show interval averages; the band shows the price range. Times are UTC.

Description

The Strike Industries 4 inch rail for KeyMod systems allows installation of additional equipment on the handguards equipped with a standard KeyMod interface.