uxcell 10pcs 50mm 1/4" Hex Shank T6 Magnetic Torx Head Security Screwdriver Bits S2 High Alloy Steel Gray Shank Size: 1/4inch; Bit Dia: 2.2mm / 0.09inch; Total Length: 50mm / 1.97inch; Package Content: 10 x Torx Security Screwdriver Bit These Screwdriver Bits are with magnetic design. Easy to install on the screwdriver handle of the bit shank. Great replacement for missing, bent or broken torx screwdriver bits.