【Versatile Compatibility】Designed for use with electric wrenches, small pneumatic tools, 1/2" bent rods, and large ratchet wrenches, offering versatility for various automotive repair and maintenance tasks. 【Durable Construction】Forged from chrome-vanadium steel using cold heading and heat treatment processes, ensuring high hardness and excellent impact resistance for long-lasting performance. 【Secure Fit】Features a 1/2" square drive with a recessed interface for high compatibility and firm grip, preventing slippage during high-torque applications. 【Deep Hex Design】Extra-deep hexagonal socket allows for operation in confined spaces, making it easier to access and manipulate fasteners in hard-to-reach areas. 【Anti-Drop Features】Equipped with a pin hole and fixing groove, compatible with retaining pins and O-rings to secure the socket to the tool, preventing accidental drops. 【Corrosion Resistant】Special electrophoretic coating provides excellent rust resistance, making it suitable for various working environments and extending the tool's lifespan. Specifications: Size: 10mm Total Length: 200mm Socket Depth: 34mm Socket Outer Diameter: 14.5mm Socket Inner Diameter: 10mm Drive Size: 1/2 inch Material: Chrome-vanadium steel Finish: Electrophoretic black coating