Product Description 1. Complete your next home improvement project with the help of our rotary tool cutting wheel set, save money and time. 2. These cutting discs fits most power die grinders or rotary tools with 1/8″ shank. 3. High working efficiency, perfect cutting effect ,ideal for DIY enthusiasts. Diamond Cutting Wheels The cutting wheels are made of high quality diamond. High cutting efficiency, high durability, stable quality. They are suitable for doing DIY, cutting hard materials, such as glass, stone or marble etc. Mini HSS Circular Saw Blades The cut off saw blades are made of high speed steel. The mini HSS circular saw blades set is ideal for fine precision cuts in wood aluminium, brass, copper and plastic products Resin Cutting Wheels Resin cutting wheels for rotary tools, they can be used to cut metal, plastic, chassis modification, thin metal circuit board. Dry and Wet Dual-Use When using rotary tool cutting discs, the circular saw may become very hot, and it is recommended to use water cooling for the purpose of improving the service life. Material: HSS / Diamond / Resin Shank Diameter: 3.175mm /3mm/6mm HSS Saw Blades Dia: 22/ 25/ 32/ 35/ 44/ 50mm Diamond Cutting Wheel Dia: 22mm Resin Cutting Wheel Dia: 32mm Package Include: 6 × HSS Circular Saw Blades 10× Diamond Cutting Wheels 10× Resin Cut-Off Wheels 6 × Mandrels 1× Clear Case Warm Tips for Usage: When using cutting discs, please insert the discs into the end of mandrels as much as possible, the screws on the mandrels should be tightened, and rotation speed should not be too fast (less than 20000RPM), so as not to cause the broken and the curved rod.