ITEM NAME:5X 22mm Mini Discs Practical diamond cut Revolving + 1 Mandrel S7L7 5X 22mm Mini Discs Practical diamond cut Revolving + 1 Mandrel S7L7 100% New and high quality. Suitable for cutting precious stone, glass, ceramics, stone, aluminum and copper Ideal for making grooves, crevices, being coated on both sides and by the edge, as it is super thin. Compatible with most rotary tools and air, including . Color: As shown Disc diameter: Approx. 0.87inch / 22mm Disc Thickness: Approx. 0.02inch / 0.60mm Shaft length: Approx. 1.42inch / 36mm Shaft diameter at top: Approx. 0.18inch / 4.5mm Axle diameter at the bottom: Approx. 0.12inch / 3mm Material: carbon steel Package includes: 5X 22mm diamond cutting discs 1X Mandrel Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..5X 22mm diamond cutting discs. 1X Mandrel. Ideal for making grooves, crevices, being coated on both sides and by the edge, as it is super thin. Suitable for cutting precious stone, glass, ceramics, stone, aluminum and copper.