Messing Bohrfutter Spannbohrfutter Adapter Kleine Spannzange M7/M8 0.5-3.2mm
Micro Electric Collet Universal Twist Drill Chuck M7/M8 0.5-3.2mm Drill Bit Tool. The overall height of this type of drill clamp after tightening is 33mm, fixed with side 180 degrees M3 screw hole design!