40pc Hex Allen Key Socket Bit Set 3/8 & 1/2 Drive Alan T20-T55 Hex, T20 – T55 & Spline Bit Set 40 Piece – chrome vanadium steel bits for use with impact screwdrivers and ratchets. Includes: Trx bits x 30mm and 75mm: T20, T25, T30, T40, T45, T50 & T55; Spline bits x 30mm and 75mm: M5, M6, M8, M10 and M12 Hex bits x 30mm and 75mm: 4mm/5mm, 6mm, 7mm, 8mm, 10mm and 12mm 2 x adaptors: 3/8″ and 1/2″
