T15 Tip 75mm Magnetic Security Torx Screwdriver Bits Silver Tone 10pcs Product Name : Security Torx Screwdriver Bits;Model : T15 Head Diameter : 3.27mm / 0.13";Total Length : 75mm / 3" Hex Shank Size : 6.3mm / 1/4";Material : Metal Color : Silver Tone;Weight : 108g Package Content : 10pcs x Security Torx Screwdriver Bits