【Rotary Tool Accessories】 Package includes 20x mini rotary blade for cutting diamond saw blade dremmel rotary tool. 【Precise Production】 Carbon steel cutting disc, wheel discs diameter about 22mm, thickness about 0.6mm, center hole diameter: 3mm. 【Multi-Purpose Tool】 Mini diamond cutting wheel Ideal for cutting gemstones, glass, ceramics, porcelain, tiles, carbide, rocks, aluminum and copper. 【Cutting Tool Advantage】 Double-sided diamond cutting discs are extra thin diamond cutting discs in dremmel, perfect for making slots and slots and be coated on both sides as well as the edge. 【High Compatibility】These diamond impregnated cut-off wheels are compatible with the majority of rotary and air tools, tile cutters, electric grinders, including Dremel. 1. Use a shallow dish of water to lubricate the diamond wheel, not only prolong the service time, but also prevent dust from going everywhere. 2. Please must wear protective glass and gloves for safety using. 3. Please do not aim at people