Multistage switch for radiators 3/8", 1/2", 3/4", 1" with square 1/2"

Multistage key with connection size square 1/2". The key is made of chrome-vanadium steel, chrome-plated. It is used for installation and dismantling of fittings, valves and check valves for batteries.

The multistage wrench is compatible with 3/8", 1/2", 3/4" and 1"threaded parts.