- Step wrench insert (1/2″) for HVAC applications: Installation and removal of radiator valves, thermostats, drain fittings, etc.
- 5 steps (3/8″, 7/16″, 1/2″, 16 and 21 mm)
- For 1/2″ ratchets
- 9529 C SB Radiator Step wrench 1/2″, Step wrench insert for HVAC applications – 05136074001