of application:Should only be used on non-metals or non-metal materials, suitable for wood and other materials.Suitable for rapid removal and shaping, especially for convex and concave areas. Effort-saving:Provides rapid removal, saving your time and effort, suitable for curved work. Fit for angle grinder and it is easy to operate it. Durable:Tungsten carbide coatings consist of hundreds of extremely teeth that remove and outlasts hundreds of sandpaper pads. Type: Carving Tool Colour:Silver :Steel Size: Bore diameter: 22mm Whole Diameter: Arc :85mm Plane:100mm Slope:100mm Cylinder:75mm Bend:100mm Package Contents: 5 x angle grinder Disc Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.