10pcs 40mm Diamond Grinding Wheel Cutting Disc with 2 Mandrels for Dremel Rotary Tool

Specification:
Material: Diamond
Wheel Diameter: 40mm
Rod Shank Diameter: 3mm
Max Speed : 20,000 RPM
Grit : 80

Features:
Made of powder alloy hot forming, high hardness, abrasion resistance, good impact resistance and longer life.
It's dry wet amphibious,small slot and high shapeness.
Ideal for cutting all kinds of metal, gem, jade, ect.

Note:To improve the service life,please add water for coolant when using diamond tools.

Package Included:
10x Grinding Slice
2x Rod