Wera | 7510 / 7515 | Kraftform Safe-Torque Speed Screwdriver - (Various Torques)For professional screwdriving fine adjustment AND for torque controlled screwdriving. Secure slip over torque mechanism with quick setting for five selectable clockwise counterclockwise tightening torques (2. 0; 3. 0; 4. 0; 5. 0; 6. 0 Nm) and one fixed position (Torque Lock) for unlimited loosening and tightening moments. Quick release holder for high robustness. Suitable for bits with 1 4" external hexagon drive. Key Features: Slip over release