

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The GEARWRENCH 81355 is a square drive socket adapter designed to connect a 3/4 inch male square drive to a 1/2 inch female square drive. This adapter allows technicians to use 1/2 inch drive sockets with 3/4 inch drive ratchets, breaker bars, or torque wrenches, expanding the usability of existing socket sets without purchasing duplicate tools. The overall length is 1.5 inches, keeping the adapter compact for use in tight spaces. Constructed from chrome-plated steel and manufactured to ANSI standards, the 81355 is built for the repetitive stress of professional shop and field use. It is suited for automotive, HVAC, plumbing, and general mechanical work where mixed drive sizes are encountered.
This adapter is a practical addition to any service van or shop toolbox where technicians routinely switch between drive sizes. It is particularly useful during equipment installation and maintenance tasks that involve fasteners requiring higher torque output from a 3/4 inch drive tool while using a 1/2 inch drive socket. The compact OAL keeps the tool-to-fastener stack height low, which matters in confined work areas common in mechanical rooms, equipment pads, and vehicle undercarriages.
Designed as a standard drive adapter compatible with 3/4 inch drive ratchets, breaker bars, and torque wrenches used in conjunction with 1/2 inch drive sockets.
Socket adapters are used by mechanics, HVAC technicians, plumbers, and electricians as part of general hand-tool operation and require no installation procedure. Ensure the adapter is fully seated in both the drive tool and the socket before applying torque. Do not use drive adapters to exceed the torque rating of the lower-rated drive component in the assembly. Inspect the adapter for cracks or wear before each use and replace if any deformation is observed.
Thanks for subscribing!
This email has been registered!