GREAT TOOL FOR DIY - These cutting wheels are compatible with rotary tools . And the mandrels fit for most power die grinders or rotary tools & air tools. 10 Pcs RESIN CUT OFF DISCS - With low heat generation and thin , 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 perfect for olive cutting. 6 Pcs HSS CIRCULAR SAW BLADES - The cut off saw blades are high speed steel and there are 5 kinds of outer diameters 22/25/32/35/44/50mm. They are suitable for cutting wood, plastic products, aluminum alloy, soft metal, etc. 10 Pcs DIAMOND CUTTING WHEELS - The cutting wheels are made of high quality diamond. With high cutting efficiency, high durability, stable quality, etc., they are suitable for cutting gem, jade and glass. Name:Cutting Wheel Kit Colour: silver + black Material: high-speed steel + diamond + resin Size: Shank Diameter: .1/8 inch (3mm) HSS Saw Blades Dia: 22/ 25/ 32/ 35/ 44mm Diamond Cutting Disc Dia: 22mm Package Contents: 10 * Diamond Cutting Wheel 10 * Resin Cutting Wheels 6 * Circular Saw Blades 1 * 3.175mm connecting rods 4 * 3mm connecting rods Only the above package content, other products are not included. Note: Light 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.