Wera Tools - Kraftform Kompakt Micro 11 ESD 1Kraftform Kompakt Micro set for precision mechanical work. Suitable for the take up of bits with 4 mm halfmoon drive (Wera series 9) and bits with 4 mm HIOS drive (Wera series 21). Electrical surface resistance of 109 Ohm for secure protection against electrostatic charge. Manufactured in accordance with DIN EN 61340 5 1. Compact handle interchangeable blade system for fast blade change. Kaftform Micro handle with twist cap and free turning zone for