Features: 1.These cutting discs are made by a special process of Resin &Corundum abrasive to ensure extra toughness sharpness and durability 2.Abrasive sand distribution uniform, fast grinding speed, sharper cutting, long service life. 3.The Cutting Wheels is Thickly inlaid steel ring, anti-rust electroplating treatment of hole ring, firmly inlaid, high safe. 4.Tough abrasive cutting discs are ideal for super-fast, clean cutting in carbon steel, stainless steel, iron, copper, and all other ferrous metals. 5.Often used to cut iron, steel, alloy, aluminum, stainless steel,metal and ect. 6.Our resin cutting discs set is made by low loss materials with sharp blade,in good shape with no broken edges. Specification: Material: Resin Color: Black Diameter: 50mm Bore Diameter: 10mm Thickness: 1.0mm Quantity:2/ 5/10pcs Note: 1.Please allow 1-2mm errors due to manual measurement. 2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package Included SET1 2pcs metal cutting disc +1pcs Mounting Mandrel SET2 5pcs metal cutting disc +1pcs Mounting Mandrel SET3 10pcs metal cutting disc +1pcs Mounting Mandrel