Wera 4 mm Halfmoon, HIOS Adjustable Torque Screwdriver, 0.05 → 0.11Nm Wera 4 mm Halfmoon, HIOS Adjustable Torque Screwdriver, 0.05 → 0.11Nm, ESD Safe: Yes, Overall Length: 131 mm, Accuracy: ±10 %, MPN: 074810 GBP 129.39 1