Features: Torx screwdriver bits, made of high-quality for Cr-V steel, durable & high compact. Screwdriver bit can be used in manual electric screwdrivers, electric drills, pneumatic tools, etc. Each edge can be accurately locked screws, no damage to the screw and the screwdriver for head, improve your work efficiency. Molded for case, convenient for bringing along from job site to job site. Screwdriver bit set includes: U-shaped, flat,for cross, torx screwdriver bits. It is very suitable for home appliance repair, vehicles, bicycles, furniture assembly or repair. Specifications: Material: for Cr-V Quantity: 50 pcs Package Includes: 50x Screwdriver Bit Set 1x Storage Box 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.