The Soviet shaped charges of the KZ series are used primarily to penetrate armor and reinforced concrete fortifications.
The charge is housed in a hemispherical sheet steel casing with a fuze well located in the top center of the charge.
It can be detonated by either electric or non-electric means.
All of the shaped charges of this series are similar in design, but vary in the amount of explosive, which is usually RDX or PETN.

KZ - 2 :

KZ-2 :
Weight: 18kg
Weight of explosive: 10kg
Height: 33cm
Maximum diameter: 21cm
Penetration armor: 15cm , reinf concrete: 100cm

KZ - 4 :

KZ - 6 :

KZ - 7 :