Feature:1. Premium Quality: Made of high quality steel material, screwdriver bit set is reliable. Tips are hardened and tempered, reusable, will damage screws and screwdriver bits.2. High Efficient: Screwdriver bit with strong magnet can fit tightly without slipping. Compared with other bits, better fit and reliability, improve your work efficiency.3. Multi Bit Set: Star, TP Star, Clutch, Torq, Spline, Tri-Wing, Square, Spanner, Flat, Phillips, Pozidriv, Hex Bits & Hex Bits TP in a variety of sizes, it is efficient and quality, helping you to complete the work quickly.4. Portable Design: Use the organizer to store the screwdriver bit kit so you won't lose your tools, molded case, easy to carry.5. Screwdriver Bit Set: Screwdriver bits are engraved with specification size, you can get the exact bit directly according to the use of demand.Specification:Specifications:Material: SteelQuantity: 50 PcsStar Bits: T8, T10, T15, T20, T25, T27, T30, T35, T40TP Star Bits: T10, T15, T20, T25, T30Clutch Bits: 1, 2, 3Torq Bits: 6, 8, 10Spline Bits: M5, M6, M8Tri-Wing Bits: 1, 2, 3, 4Square Bits: S1, S2Spanner Bits: 4, 6, 8, 10mmFlat Bits: 4, 5, 6mmPhillips Bits: PH 1-2Pozidrive Bits: PZ 1-2Hex Bits TP:2, 2.5, 3, 4, 5, 6mmHex Bits: 4, 5, 6mm1pc Magnetic Bit HolderScrewdriver Length: 75mm / 2.95inExtension Rod Length: 60mm / 2.36inPackage Weight: 913g / 2.01lbPackage Size: 19 * 13.5 * 4cm / 7.48 * 5.31 * 1.57inPackage List:Package List:50 * Extra Long 75mm Bit Set1 * Storage Box