Features 1、Thin and Sharper: The plate is thin and sharper. Fully coated with fine emery particles, the breathing hole is used for cooling and removing debris, which is very suitable for making grooves 2、High Accuracy: High accuracy machining blade, good wear resistance and impact resistance 3、Long Continuous Cutting: Not easy to break or bend in high speed cutting, can provide long continuous cutting, help improve work efficiency 4、Widely Applicable: Suitable for DIY, cutting, sawing, carving, sharpening and filing materials, including a variety of gemstones, marble concrete, brick, porcelain, ceramics, epoxy and other hardwoods 5、Good Performance: With good cutting performance, equipped with complete tools, quick and easy to install and use. Specification Item Type: Cutting Wheel Set Material: Emery Application: Used for Cutting of Jewel, Bowlder, Marble, Concrete, Brick, Porcelain, Ceramic, Epoxy Resin and Other Hardwoods Shank Diameter: Approx. 3 mm / 0.12in Size: 60 Thickness: Approx. 0.5 mm / 0.02in Maximum Speed: 3000 RPM Diameter: Approx.16 mm / 0.63in Approx.18 mm / 0.71in Approx.19 mm / 0.75in Approx.20 mm / 0.79in Approx.22 mm / 0.87in Approx.25 mm / 1in Approx.30 mm / 1.2in Approx.40 mm / 1.6in Package List 10 x Cutting Wheel Set