Wera Plumbers Step Wrench for Radiator Valves Thermostats Drain Fittings 9529 C SB 1/2" Drive

5 steps (3/8", 7/16", 1/2", 16 and 21 mm)

For 1/2" ratchets

Chrome vanadium steel

Step wrench insert (1/2") for HVAC applications: Installation and removal of radiator valves, thermostats, drain fittings, etc.

9529 C SB 1/2" Step wrench, 88 mm