With the Hikoki 751857 impact socket, you can fasten and remove demanding internal Torx T40 bolts with complete confidence. Engineered from heavy-duty chrome molybdenum steel (Cr-Mo), it easily withstands the high-torque demands of 1/2" impact wrenches and ratchets. The precise T40 Torx profile provides a snug fit inside fastener heads, preventing cam-out and protecting bolts from premature wear. Measuring 76 mm in total length and equipped with a standard 1/2" square drive, this socket allows fast tool changes to keep your automotive, assembly, and maintenance jobs moving smoothly.