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..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..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..GREAT TOOL FOR DIY – Compatible with most power rotary tools. The cutting wheel set for rotary tool is suitable for cutting wood, plastic, gem, glass, aluminum alloy and jade. They are a great tool as well as perfect gift for DIY hobbyists..100% SATISFACTION – If you have any problems, simply contact us and we promise an 100% satisfactory solution. You don't need to worry about returns and refunds.