This set of 5 double sided， vented diamond cutting discs will make your tools more powerful
and functionality when you are doing DIY， craft， jewelry making or silver smithing work.

Application : Cutting Gemstones， Glass， Ceramics， Porcelain， Tiles， Carbide， Rocks， Aluminium and Copper.

Specification :

Disc diameter : 22mm
Disc thickness : 0.60mm
Arbour shaft length : 36mm
Arbour shaft diameter at top : 4.5mm
Arbour shaft diameter at bottom : 3mm
Material : Carbon steel
Coating : Dual sided and
Compatibility : The majority of rotary and air tools， including Dremel

Note : Add some water for coolant when using it. 

Package includes :
5 x 22mm Diamond Cutting Discs
1 x Drill Bit