40 piece mechanics set containing all the spline bits, hex bits and torx bits to complete the job The Draper 33323 set is ideal for use in an abundance of trades. This 40 piece TX-STAR Hexagon and Spline Mechanic\'s Bit Set is made up of a variety of torx, spline and hex bits in many sizes. They come packed in an impact-resistant case for safekeeping and ease of transport. Features: Use this kit in a variety of trades Packed in an impact-resistant plastic case Contains a variety of the most popular sizes hex bits, spline bits and torx bits Manufactured from hardened and tempered chrome vanadium steel with shot blasted finish Contains: 5x 30mm spline bits: 5, 6, 8, 10, 12mm 5x 75mm spline bits: 5, 6, 8, 10, 12mm 7x 30mm hexagonal bits: 4, 5, 6, 7, 8, 10, 12 7x 75mm hexagonal bits: 4, 5, 6, 7, 8, 10, 12 1x bit holder 10mm hexagon x 3/8\" sq. drive 1x bit holder 10mm hexagon x 1/2\" sq. drive 7x 30mm Draper TX - STAR® bits: T20, T25, T30, T40, T45, T50, T55 7x 75mm Draper TX - STAR® bits: T20, T25, T30, T40, T45, T50, T55 Specification: Pack Qty: 40 piece