Rotary Tool Accessories Package arrives includes 20x mini rotary blade for cutting dremmel rotary tool diamond saw blade. Precise production Carbon steel cutting disc, discs wheel diameter about 22mm, thickness about 0.6mm, center hole diameter: 3 mm. Multi-purpose tool Mini diamond wheel Ideal for cutting gemstones, glass, ceramics, porcelain, tiles, carbide, rocks, aluminum and copper . Cutting Tool AdvantageDouble sided diamond cutting discs are extra thin dremmel diamond cutting discs, perfect for making slots and slots and coated on both sides as well as on the edge. High Compatibility These diamond impregnated cut-off wheels are compatible with the majority of rotary and pneumatic tools, tile cutters, electric grinders, including dremel.< /p> 1.Use a shallow water dish 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 or objects when using the diamond saw cutting cut discs. 4.The rotary tool speed does not exceed 30,000 rpm, low speed is perfect to use. specification: Material: carbon steel carbon Covering: double side and edge Cut wheel diameter: 22mm Cut wheel thickness: 0.6mm Shalf diameter: 3mm Compatibility: rotary tool, dremel tool Box contents: 20 x diamond saw cutting discs 4 x rod mandrel ladaceae