The Czechoslovak starting ground electrical source EZOP-2 was used to transform the voltage to 24V or 28V from a regular 3x380V electrical network. In this design on a four-wheeled cart, it was mainly used at fixed airports. It was used on the L-29, MiG-15bis, Su-7, MiG-21, IL-14 and Mi-2 and Mi-4 helicopters.

The kit is made by direct 3D printing and consists of 6 parts. Blister packaging.