For 3/8"" square socket wrench inserts and 3/8"" connecting parts with square drive

and cables from damage

Vibration Damper

It also wraps the water pump completely and protects the connecting rod with its extra thickness (16mm in total under the connecting rod)

Wera Tools - 868/1 IMP DC DIY Impaktor square head socket bits K-Type-Wheel Hubs For 3/8"" square socket wrenchHigh quality bits for square socket screws. The Impaktor technology offers an above average service life even under extreme circumstances. Enhanced friction resistance, thanks to the rough diamond particle coating on the bit tip, prevents any slipping out of the screw head. Particularly suitable for use with customary impact drivers. "" hexagon, suitable for holders as per DIN ISO 1173 D 6. 3. Features Suitable for square head socket screws Impaktor