Features:
Suitable for installing in electric grinder， nail machine， engraving machine， etc.
The drill can be speed up by adopting this chuck and only by hands， it is also can play the role of adapter converter.

Specifications:
Material: aluminium alloy
Drill chuck diameter: 0.3-3.4mm
Chuck diameter: approx 14mm
Shank diameter: 2.35mm / 3mm
Please Leave your message in your size choice ，Or we will send in Random. Thank you!

Package Includes:
1x 0.3-3.4mm Keyless Drill Bit Chuck