915 Generation 0.3-4mm Universale Elettrico Trapano Mandrino Pinza 3mm

0.3-4mm Universal 3mm Drill Chuck Connecting Rod Engraving Conversion
Available in the grinding machine (dental drill) and other equipment.
How to use : First governor speed adjustment in the "minimum or zero turn", then turn on the power, adjust the speed, speed not more than 1w, to avoid damage to the shaft.
Caution : Once installed on this universal chuck. do not direct adjusted to high-speed operation, or may cause the rear axle bend.
Drill Chuck Dia : 0.3-4mm
Connecting Rod Dia : 3mm
Color：silver
material: metal
Package includes :
1 x 3mm drill chuck
1 x Connecting shaft
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.