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: Steel Quantity: 50 Pcs Star Bits: T8, T10, T15, T20, T25, T27, T30, T35, T40 TP Star Bits: T10, T15, T20, T25, T30 Clutch Bits: 1, 2, 3 Torq Bits: 6, 8, 10 Spline Bits: M5, M6, M8 Tri-Wing Bits: 1, 2, 3, 4 Square Bits: S1, S2 Spanner Bits: 4, 6, 8, 10mm Flat Bits: 4, 5, 6mm Phillips Bits: PH 1-2 Pozidrive Bits: PZ 1-2 Hex Bits TP:2, 2.5, 3, 4, 5, 6mm Hex Bits: 4, 5, 6mm 1pc Magnetic Bit Holder Screwdriver Length: 75mm / 2.95in Extension Rod Length: 60mm / 2.36in Package Weight: 913g / 2.01lb Package Size: 19 * 13.5 * 4cm / 7.48 * 5.31 * 1.57in Package List: Package List: 50 * Extra Long 75mm Bit Set 1 * Storage Box