Wera 7510/14 Safe-Torque Speed Tool Carbide Inserts Screwdriver Set 0507584000114 piece tool set. For professional screwdriving professional fine adjustment AND for torque controlled screwdriving. Secure slip over torque mechanism with quick clockwise counterclockwise setting and five selectable tightening torques (1. 0; 1. 5; 2. 0; 2. 5; 3. 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. 14