【Versatile Compatibility】Designed for use with electric wrenches, small pneumatic tools, 1/2" bent rods, and large ratchet wrenches, offering flexibility for various automotive repair tasks. 【Durable Construction】Forged from chrome-vanadium steel using cold heading and heat treatment processes, ensuring high hardness and 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】Extended hex socket depth allows for operation in tighter spaces, making work easier in confined areas. 【Anti-Drop Features】Equipped with a pin hole and fixing groove, compatible with pin and rubber ring attachments to secure the socket to the tool, preventing accidental drops. 【Corrosion Resistant】Special electrophoretic blackening treatment protects against rust, suitable for various working environments. Specifications: Size: 19mm Total Length: 200mm Socket Depth: 38mm Socket Outer Diameter: 26mm Socket Inner Diameter: 19mm Drive Size: 1/2 inch Material: Chrome-vanadium steel Finish: Electrophoretic blackening