With the Facom EXR.140 screwdriver bit, you easily tighten and loosen tamper-resistant ResisTorx screws featuring a central pin. The precise TT40 profile with center recess fits securely into the screw head, preventing slippage and protecting delicate fasteners from damage. Featuring a standard 1/4" hex drive, this series 1 bit inserts smoothly into any standard bit holder or manual driver handle. Its compact 25 mm length delivers maximum control and optimal maneuverability in confined spaces, making it ideal for automotive repairs and electronic equipment servicing. Tackle demanding fastening tasks with complete confidence, precision, and efficiency.