Uxcell a12121500ux0355 Chrome Vanadium Steel T50 1/2" Square Drive 11/32" Torx Screwdriver Bit Socket Item Name : spline bit socket; size : T50; head type : Torx end, square socket Torx head size : 8.8 mm / 11/32"; square socket size : 13 mm / 1/2" Hex shank size : 5 x 1 cm / 2" x 0.4" (l*w); Total size : 10 x 2.2 cm / 3.9" x 0.9" (l*max.D) Material : chrome vanadium steel; Color : Silver Tone, black Net weight : 106G; Package Content : 1 x spline bit socket