Features:
The grinding needle tip is only 0.4mm; paired with M14 emery particles, it provide you the smooth experience of detailed grinding.
The grinding needle tip is equivalent to 400# sandpaper grinding force, which can be used for grinding operations such as material overflow, model detail edge edge, edge trimming after opening, etc.

Specifications:
Material: Aluminum Alloy Pen Body; High Speed Steel Nib
Shank diameter: 2mm
Nib diameter: 0.4mm

Package Includes:
1x Grinding pen with grinding needle
or
1x Grinding Needle
(The model is not included,only for display.)