FEATURESHigh Torque Handling Capability: Easily grasps and removes damaged, rounded, and rusted nuts and bolts. Suitable for high torque applications, providing reliable operational performance. Continuously Adjustable Size Range: Firmly and accurately grasps any nut and bolt within its adjustable size range. Accommodates various task requirements, enhancing versatility. Versatile Application Scenarios: Ideal for home appliance DIY, auto repair, and industrial construction. Includes a 3/8'' metric professional repair tool and a 3/8 inch adapter, making it suitable for a wide range of uses. Multi-Tool Compatibility: Can connect to drills, cordless drills, or hand wrenches. Ideal for hard-to-reach areas, enhancing operational flexibility. High-Quality Durable Materials: Forged from high-quality Chrome vanadium steel. Features high hardness and wear resistance, ensuring even force distribution on all sides of the fastener. Prevents deformation and provides long-term reliable use. Specifications Weight: Single sleeve 228 g, sleeve + extension rod 256 g Material: Chrome vanadium steel Sleeve size: 53.8x37mm Connecting rod size: 65x9.35mm Package Includes1/2* Adjustable sleeve / 1/2*Adjustable sleeve + extension rod