Features: Package includes: 5pcs Slotted, 6pcs Philips-, 7pcs Pozi-, 5pcs Hex, 6pcs Torx, 1 Adapter & 1 Extension Shank. Made of high-grade carbon alloy steel (CR-V) for ultimate strength and longevity-. Equipped with a special storage tool box, easy to carry. Each drill slot is engraved with the correct dimensions for quick identification and avoids clutter. Great gift for Father's Day, a new house, apartment, dorm, workshop or for the practical people on your list. Can be used for manual electric screwdriver, screwdriver, drill, air and other tools. Package Includes: 1 Set Screwdriver Bit Set Specifications: Material: Cr-v Style: A/B(optional) 5pcs Slotted: SL3-,SL4,SL5,SL6,SL7; 6pcs Philips: PH1,PH2,PH2,PH3-,PH3-,PH4; 7pcs Pozi-: PZ1,PZ1,PZ2,PZ2,PZ3,PZ3,PZ4; 5pcs Hex: H2-.5,H3,H4,H5,H6; 6pcs Torx: T10,T15,T20,T25,T30,T40 1 Adapter 1 Extension Shank Bit Hex Shank Dia:6.35mm/ 1/4" note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.