General description This Universal Torx Wrench is a versatile double-ended tool designed for both standard and metric nuts and bolts. It accommodates sizes ranging from 5/16 inch to 7/8 inch and 8 mm to 22 mm, making it suitable for various applications. Technical specifications Material: Chrome vanadium steel Hardness: Up to HRC60 Size compatibility: 5/16 inch to 7/8 inch and 8 mm to 22 mm Usage Ideal for household tasks Suitable for mechanical engineering Perfect for machine and auto repair Can disassemble different sizes of screws and nuts with a single wrench Other information Labor-saving design with an ultra-long handle for increased torque Ergonomically designed for comfort during prolonged use Rust-proof surface due to heat treatment and polished electroplating