T40 x 1 Torx Insert Bit

T40 x 1 Torx Insert Bit . A unique combination of alloys (nickel, vanadium and molybdenum) give these insert bits a Rockwell hardness of RC 59-62 without the brittleness. ITM TECH3 insert bits are the ultimate for the professional who demands and deserves only the best. Torx® insert bits are common in the automotive and computer industries, ideal for high torque applications.