For installing or servicing heating, air conditioning or refrigeration units. 5/16-inch & 3/16-inch Hex Key Wrench Inserts (optional) 1/4-inch square drive shanks fit Malco RRW4 and RRW4 Ratchet Wrenches. Facilitates easy ratcheting action for servicing hard to access valves common in air condition and refrigeration condensing units. 1 -5/8-inch long.
For installing or servicing heating, air conditioning or refrigeration units. 5/16-inch & 3/16-inch Hex Key Wrench Inserts (optional) 1/4-inch square drive shanks fit Malco RRW4 and RRW4 Ratchet Wrenches. Facilitates easy ratcheting action for servicing hard to access valves common in air condition and refrigeration condensing units. 1 -5/8-inch long.