The Action Triple Square Bit features a 12.5 mm (1/2 inch) connection size and a total length of 55 mm, with a blade length of 13 mm. It provides reliable engagement for M16 fasteners in socket spanner applications, ensuring durability and precision in mechanical tasks. Key features: - Connection size: 12.5 mm (1/2 inch) - Total length: 55 mm; blade length: 13 mm - Triple square bit profile for secure fastening - Suitable for M16 fasteners - Diameter: 25 mm, Dimension: 16 mm