Uxcell a14041800ux0504 10 Pcs Magnetic 1/4" x 50mm Torx T6 Power Driver Screwdriver Bits (Pack of 10) Product Name : Screwdriver Bit; Tip Type : Torn Tip Size : T6;Shank Size(Approx.) : 6.35mm / 1/4" Overall Length(Approx.) : 50mm / 2";Color : Silver Tone