Features standard 1 / 2 " drive interfaces for ratchets, power drills, and torques wrenches for versatile tool integration The unique reverse thread pattern ensures a secure hold on rusted nut, slippage for efficient removal Specially designed twisted grooves allow deeper penetration into damaged nut, enhancing grip strength and jamming Made from heat treated alloy for wear resistance and extended service life in professional repair scenarios Accurate electroplated surfaces provides excellent, anti rust, and anti properties for all environments, Manufacturer: Qcbuegof