iscription: 10pcs 20mm Diamond Grinding Wheel Slice with Two 3mm Shank Mandrels for Dremel Rotary Tools Specification:
Material: Diamond Wheel Diameter: 20mm Rod Shank Diameter: 3mm Max Speed: 20, 000 RPM Grit: 80
Features: made from powder alloy hot forming, high hardness, abrasion resistance, good impact resistance & longer life. It's dry wet amphibious, small slot & 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 Detail Pictures: