This Torx Socket Bit features a 1/2" (12.7 mm) connection size and a 25 mm diameter, providing a secure fit for recessed Torx screws. With a total length of 55 mm and a blade length of 3.8 mm, it ensures efficient torque transfer and durability in industrial and mechanical settings. Key features: - Connection size: 12.7 mm (1/2 inch) - Diameter: 25 mm for enhanced grip - Size TX 40, suitable for recessed Torx screws - Blade length: 3.8 mm; total length: 55 mm - Robust construction for professional use