The 5/16″ Hex Key Insert, with 1/4″ square shanks, fit any Malco Refrigeration Wrench for easy ratcheting action when servicing hard-to-access valves in ACR condensing units.
- Extra Capacity
- Gripped wrenches
- Multiple sizes available.
- 1/4 in. square drive shanks fit Malco RRW3 and RRW4 Ratchet Wrenches.
- Square Shank Dia.: 1/4″
- Hex Key Dia.: 5/16″
- Overall Length.: 1-5/8″








