The Proto 1/2-inch drive 8-point socket is engineered specifically for square nuts, providing a secure fit and reliable torque transfer in demanding industrial and MRO applications. Its 8-point geometry engages square fasteners cleanly to reduce slippage and fastener damage.
Built to Proto's professional standards, this 7/16-inch socket features a 51/64-inch outside diameter at both the nut end and drive end, making it a dependable choice for mechanics, maintenance technicians, and tradespeople working with square-headed hardware.