Please feel to contact us if you need any help; we will help you solve the problem within 24 hours. Professionally designed to function like a traditional socket, but using a more convenient tool design. Unlike a restrictive pin sleeve, this tool can easily handle torque and firmly clamp any nut and bolt within its continuously adjustable size range. Maintains a uniform force on all sides of the fastener to prevent rounded corners. Easily clamp and remove damaged, rounded, and rusted nuts and bolts. Easily handle torques, firmly and correctly clamp any nuts and bolts within their continuously adjustable size range. Use scenarios Automotive : remove and install nuts and bolts on wheels that are rusted or damaged, with secure clamping and torque capability. Machinery maintenance: loosen seized or rounded fasteners on equipment without slipping or rounding edges. General building and DIY: switch between fastener sizes quickly without tools or adapters, while maintaining reliable torque and clamping strength.