The STAHLWILLE 43093010, also known as the 12500N-10 series, is a high-performance socket screwdriver insert specifically engineered for internal TORX® T10 screws. This robust tool features a 1/2 inch (12.5 mm) square drive, ensuring secure attachment to compatible ratchets or extension bars. Manufactured from premium high-performance steel, it offers exceptional durability and precise torque transfer. With an overall length of 55 mm and a weight of 0.04 kg, this STAHLWILLE socket screwdriver is an essential tool for professional mechanics and technicians requiring reliable performance for TORX fasteners.