10 pcs DIAMOND CUTTING WHEELS It is completely coated with fine diamond particles--thin and sharp. Designed for rotary tools and replacement EZ545/544 lock cut off wheel. Suitable for cutting gem, jade and glass 10 pcs RESIN CUT OFF DISCS With low heat generation and thin cutting line, the cut off wheels are applicable to electric drills, hanging grinders, electric grinders, etc. They can be used to cut metal, plastic, chassis modification, thin metal circuit board and DIY production after connected with mandrels, and are ideal for olive cutting. And comes with 2pcs 3mm mandrels 6 pcs HSS CIRCULAR SAW BLADES The cut off saw blades are high speed steel and there are 6 kinds of outer diameters 22/25/32/35/44/50mm and the thickness of 0.8 mm. They are suitable for cutting wood, plastic products, aluminum alloy, soft metal, etc. And comes with 1pcs 1/8''(3.2mm) shank+ 1pcs 6mm shank HIGH COMPATIBILITY These cutting wheels are suitable for Dremel rotary tools as good as original. We use original rotary tools to test this accessory kit. And the mandrels fit for most power die grinders or rotary tools & air tools. The whole cutter wheels set is suitable for cutting wood, plastic, gemstone, glass, ceramic, stone, aluminum and copper. The mini rotary tool is suitable for DIY projects and the home hobbyist