SK Tools - Socket Bit Chrome 3/8dr T40 Long Torx - 42590SK Bit Sockets Skt Bit Chrm 3 8dr T40 Lngtorx T40 3 8" Drive Long Torx Bit Socket Through hole design makes it easier to replace worn or broken bits: simply pop the old bit out and insert a new replacement bit. New Bit Holder Design is 9 times stronger and helps prevent the bit from slipping out of the socket while working. Socket cold forged with high alloy US steel for maximum strength. Bits are manufactured to rigid standards using high strength S2