20pcs 3mm Diamond Burr Bit Set Grinding Shank Carving Drill For Rotary Tool

Features:
1, Smooth and refine surfaces by using these Diamond Grinding Head to polish metal, ceramics and marble ,ect.
2, Ideal for smoothing interior surfaces, there are 45 interchangeable pieces for the rotary grinding and polishing tool.

Specifications:
Material: Felt Fabric(Head) + Metal(Shank)
Cone Diameter:6mm(1/4")
Cylindrical Diameter: 6mm(1/4")
Ball Column Diameter: 6mm(1/4")
Bullet Diameter: 6mm(1/4")
Ball Diameter : 6mm(1/4")
Diameter: 6mm(1/4")
Shank Diameter: 3mm (1/8")
Total length: 45mm (1 3/4")
: as the picture Package included:?? 20pcs/a set? Rotary Drill Bit?【Buy 1 set Get 1 set Free】:40pcs/2set 【3 x Cone Grinding Heads
4 x Cylindrical Grinding Heads
3 x Bullet Grinding Heads
4 x Ball Grinding Heads
3 x Grinding Heads
3 x Ball Column Grinding Heads】









a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a