This Hex Socket Bit features a 1/2 (12.5 mm) connection size and a 21 mm hex dimension, providing precise engagement and efficient torque transfer for hexagonal fasteners. With a total length of 75 mm and a blade length of 25 mm, it suits various industrial socket spanner applications. Key features: - Connection size: 12.5 mm (1/2 inch) - Hex dimension: 21 mm - Total length: 75 mm; blade length: 25 mm - Diameter: 30 mm for robust handling - Compatible with standard socket drivers for versatile use