The Proto 11/16" 6-Point Socket is engineered for use with 3/8" square drive ratchets and compatible power tools, delivering reliable torque transfer in demanding professional and industrial applications. Its 6-point design grips fastener flats securely, reducing the risk of rounding and improving safety during high-torque use.
Constructed from chrome vanadium steel, this socket is built for long service life and high performance in MRO, automotive, and general mechanical work. It is compatible with 3/8" drive ratchets and power tools from a wide range of manufacturers.