Product description
Step wrench sizes 3/8 "(9.6 mm) / 29/68" (11.6 mm) / 1/2 "(12.6 mm) / 21/32" (16.4 mm) / 27 / 32 "(21 mm) with 1/2" drive made of high quality CRV steel. It has a cut on both sides for studded screw connections.

Step wrench for screw fittings YT-03317 is used for mounting:

connectors with external thread (nipple)
heating valves
lower cut-offs on the return of radiators
valve extensions
Purpose / application
The step wrench YT-03317 is used for mounting:
- connectors with external thread (nipple)
- heating valves
- lower cut-offs on the returns of the radiators
- valve extensions
Parameters
Material: CrV
Connection size: 1/2 "