Uxcell s14060400am1401 10 Pcs 50mm Length T15 Head Magnetic Security Torx Screwdriver Bits (Pack of 10) UXCELL (U excel !) is the sole authorized Seller of uxcell products Product Name : Torn Screwdriver Bits; Bit Type : T15;Tip Diameter : 3.26mm / 0.128" Hex Shank : 6.35mm / 1/4";Total Length : 50mm / 2";Color : Gray