Drive: DIN 3126, ISO 1173, Form C 6.3. Suitable for all types of screw work in trade and industry. Designed for controlled screwing with a set torque, in combination with a Wiha Torque 6 mm interchangeable blade. Ideal for controlled screwing with screws and bits at a specific torque. Extra: Delivered in a practical plastic box, including a work test report. Accuracy: ±6%, traceable to national standards. Handle: Made of robust cellulose acetate. Numerical torque value display in window scale. The torque is infinitely adjustable with the Torque Setter adjustment tool (included). Comfortable cross handle with soft zones for optimal torque transmission. Click signal when the set torque value is reached. Holder: Bit quick-change holder for Wiha cross-handle torque tools, allows for particularly fast bit changes. Blade: Octagonal profile with a hole at the blade tip, fully hardened, galvanized. Made from high-quality chrome-vanadium-molybdenum steel, fully hardened and matte chrome-plated. Head: Brightly nickel-plated, spring-loaded ball. Standards: Complies with EN ISO 6789, BS EN 26789, ASME B107.14M. Material: High-quality chrome-vanadium steel, fully hardened.