TEMO IP-70 3 inch (76mm) Long Black Impact Torx Plus 6 point Socket Bit 1/2 inch (12.7mm) Square Drive Auto Repair Tool Impact Torx Plus 6 point Socket Bit IP-70 The socket bits are 3-1/8" (80mm) long. 1/2" (12.7mm) Sqaure Drive with drive release holes. Drop forged black chrome moly steel (CR-MO). Industrial grade quality. Suitable for air tools and electric tools.