Draper 33322 Draper Expert TX-STAR® Hex. & Spline Mechanics Bit Set, 3/8, 1/2" Sq. Dr. (40 Piece)Features Bit holders made from chrome vanadium steel with chrome plating High quality S2 steel screwdriver bits Includes 100mm hex bit holders, TX STAR 30mm and 75mm bits in sizes T20 T55, 30mm and 75mm spline bits in sizes 5 12mm, and 30mm and 75mm hex bits in sizes 4 12mm Supplied inside a steel storage case Dimensions & Weight Weight 1. 843 kg Length 328 mm Width 164 mm Height 34 mm Standards & Warranty Consumable Warranty warranty Part No: MH40 SC