Kraftform Micro bit holder for precision mechanical work Handle/Interchangeable blade system for rapid exchange of the blade Multi-component Kraftform Micro handle with anti-roll feature and swivel cap Suitable for take-up of bits with 4 mm halfmoon drive,and bits with 4 mm HIOS drive Applications e.g. on smartphones, mobile phones, cameras, electronic equipment, Weight: 0.330693393 pounds, Manufacturer: WERA