Description Versatile: Can be used for various screw nuts repair with sizes ranging from 8mm to 22mm. Easy to Use: Self-tightening feature allows for and effortless tightening and loosening of nuts. Double-Headed: Double-ended with a ratchet spanner on one end and an adjustable Torx spanner on the other end, providing more flexibility and convenience. Durable: Made of high-quality materials, ensuring long-lasting use and durability. Operation Mode:Mechanical Head Style:Hexagonal Major Material:Carbon Steel Item ID:KB00785 describe: Material: chrome vanadium steel. Silvery, Black length: 215mm/8.46in. thickness: 5mm/0.2in Golden length: 270mm/10.62in. thickness: 5mm/0.2in Silvery, Black Applicable screw cap width: 8mm/0.31in-22mm/0.86in. Golden Applicable screw cap width: 8mm/0.31in-24mm/0.94in. Color: Silver, Black. Golden Features: 1. Double-ended self-tightening multi-function wrench, time-saving, efficient, convenient, industrial quality. 2. The plate body is polished and electroplated as a whole, beautiful and not easy to rust. 3. It is suitable for the disassembly and assembly of screws of various specifications, and is widely used in mechanical engineering, machine repair, automobile maintenance and other related maintenance industries. The packaincludes: 1pcs double-ended self-tightening multifunctional wrench. notes: 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks! 2. Due to manual measurement, please allow 1-3cm measurement deviation.