| Technical Specifications | |
| Weight | ~ 2,65 g |
| Base Charge | Lead Azide |
| Delay Time | 55 msec. |
| Sensitivity | It explodes by dropping a ball which has 56 g weight from the height of 300 mm. |
| Function | It creates a hole with a diameter of 4 mm on the aluminium plate which has a thickness of 2 mm. |
| It is used as delay element in M557 fuze. | |