Úderníkový Zapalovač Okamžitý (strike igniter immediate)

This tripwire-igniter would fit a variety of (mine)charges but due to the safety mostly only smoke charges and ground flares are used with it.

Total length : 124mm
Largest diameter : 24mm
Smallest diameter : 16mm
Square base : 23,5mm

Photos © M. Jochoms.