20pcs Diamond Grinding Heads 3mm Shank Mini Bit Set for Rotary Drill Tool

20pcs Diamond Grinding Heads 3mm Shank Mini Bit Set for Rotary Drill Tool Burrs Grinding Accessories
Feature:
It needs to be used with electric mill / hanging mill / bench mill.
It mainly used for carving and polishing glass, jade, gem, stone and hard objects, mold grinding.

Specification:
Material: coated emery
Quantity: 20pcs
Package size: 15 * 13 * 1cm/5.9*5.11*0.39\'\'
Shank diameter: 3mm
Head diameter: 6mm

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.