Wera 1430 ESD Kraftform Micro adjustable torque screwdrivers (0.02-0.11 Nm) withTorque tool with adjustable torque of 2. 0 to 6. 0 cNm (accuracy 10%). Compact handle interchangeable blade system for torque controlled precision screwdriving. The Kraftform Micro ESD torque screwdriver is ideal for torque controlled jobs on electrostatically susceptible components. Suitable for the take up of bits with 4 mm halfmoon drive (Wera series 9) and 4 mm HIOS drive (Wera series 21). Tamperproof. Distinct audible and perceivable excess load