This Hex Socket Bit features a 1/2" (12.5 mm) connection size and a 19 mm hex dimension, providing precise fitting and efficient torque transfer for professional mechanical and assembly tasks. Its durable construction ensures reliable performance with standard socket drivers and wrenches. Key features: - Connection size: 12.5 mm (1/2 inch) - Hex dimension: 19 mm - Overall length: 75 mm - Blade length: 25 mm - Diameter: 25 mm