General description US PRO Hex Spline Torx Bit Set includes a comprehensive range of 58 bits, featuring Hex, Star, Security Star, and Spline bits. This set is designed for versatility and convenience, making it an essential addition to any toolkit. Technical specifications 58 pieces in total Adapters: 1/2 Dr x 10mm, 3/8 Dr x 10mm 30mm Hex bits: 4, 5, 6, 7, 8, 10, 12mm 75mm Hex bits: 4, 5, 6, 7, 8, 10, 12mm 30mm Spline bits: M5, 6, 8, 10, 12 75mm Spline bits: M5, 6, 8, 10, 12 30mm Star bits: T20, T25, T27, T30, T40, T45, T50, T55 75mm Star bits: T20, T25, T27, T30, T40, T45, T50, T55 30mm Security Star bits: T20, T25, T27, T30, T40, T45, T50, T55 75mm Security Star bits: T20, T25, T27, T30, T40, T45, T50, T55 Other information Supplied in a durable metal storage case Warranty included