Premium Extra Deep Socket: 1/2 in. drive 1-7/16 in. 6-point extra deep impact socket for professional and industrial applications6-Point Design: Six-point geometry provides maximum contact with fastener flats, reducing rounding and improving torque transferCR-MO Alloy Steel: Constructed from high-strength chrome molybdenum alloy steel for maximum durability and resistance to high-torque impact forcesExtra Deep Length: Extended depth reaches fasteners on long bolts, studs, and threaded rod where standard deep sockets fall short