Application:Suitable for bits with 4 mm Halfmoon drive (and Wera Serie 9) and 4 mm HIOS drive (and Wera Series 21)
Design:With quick-release chuck for rapid bit change
Accuracy: 10%. Numerical torque value scale, audible excess-load signal
Handle:Kraftform Micro with non-roll feature and rotating cap, multi-component

Technical Specifications:

• 1430 Kraftform Micro ESD adjustable torque screwdrivers (0.02-0.11 Nm) with quick-release chuck, 1431 ESD x 0.05-0.11 Nm