The Žk Žk detonator is used for adjustment in fuses that do not have their own fuse or primer : Ro-2, Ro-4, Ro-7 II and Ro-9.
The Žk fuze consists of an aluminium cavity with a rim. There is a pentrite charge at the bottom and a primary explosive charge at the top.
Source : Žen-29-2 Mines and detonators - ČSLA Prague 1987 regulation
The Žk fuze consists of an aluminium cavity with a rim. There is a pentrite charge at the bottom and a primary explosive charge at the top.
Source : Žen-29-2 Mines and detonators - ČSLA Prague 1987 regulation