Product Name: Wedge Screwdriver. Color: Black + Silver Quantity delivered: 1 set of 5 pieces Product size: Cut : Three poles: Length : 60mm, 100mm, 150mm Stem: 1/4inch (6.35mm) hex shank Wedge: 1/4inch (6.35mm) hex handle size 28*28*22mm Soft handle: 76g Set of 3 quick-change bit holders: size: 60mm x 2, 100mm, 150mm, 1/4inch hex shank; universal 1/4inch hex shank. Interface with locking mechanism, strong magnet inside, fast fixing, automatically click on the batch head - Suitable for drills, screwdrivers, batch head and others, to extend all types of screwdriver bits and convert the screwdriver head 1 hexagonal rod: 6.35mm; 6.35mm; 6.35mm; flexible drill bit extension can also bend and rotate in the tightest of spaces. The flexible drill bit is an essential tool for maintenance and repair, including computer cases, furniture, electrical appliances, etc. Craft accessory: for installing pneumatic screwdriver, electric screwdriver, drill pneumatic, manual screwdriver and other facilities for the hex tool. Multifunctional: compact and easy to carry. A perfect tool kit Note: These tools are perfect for easy drilling, slow speed/screwdriving, such as cordless drills, ratchet screwdrivers, etc. They are not comparable to drivers which are high speed and heavy, although they are good enough for good torque.