Features 1、Made of selected high carbon steel material, with high hardness and great durability. 2、The grinding disc is suitable for rapid removal and shaping, especially for convex and concave areas. 3、16mm (5/8/") center hole size, works perfectly with electric angle grinder with 5/8/" arbor. 4、It can be used for plane grinding, wood slotting, such as tea tray, tree-root carving, etc. 5、Applicable to wood, plastic material. Not suitable for metal, glass, ceramic tile, etc. Specification This high carbon steel wood grinding disc with premium quality and great durability works perfectly with angle grinder. It can be used for plane grinding, wood slotting and more woodworking needs, such as tea tray, tree-root carving, etc. Features: Made of selected high carbon steel material, with high hardness and great durability. The grinding disc is suitable for rapid removal and shaping, especially for convex and concave areas. 16mm (5/8") center hole size, works perfectly with electric angle grinder with 5/8" arbor. It can be used for plane grinding, wood slotting, such as tea tray, tree-root carving, etc. Applicable to wood, plastic material. Not suitable for metal, glass, ceramic tile, etc. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Silver/ Gold (Optional) Surface: Arc/ Flat (Optional) Material: High Carbon Steel Diameter: Arc: 100mm / 3.94in Flat: 98mm / 3.86in Center Hole: 16mm (5/8") Revolving Speed: Max. 3000rpm Package Size: Arc: 10 * 10 * 1.5cm / 3.94 * 3.94 * 0.59in Flat: 9.8 * 9.8 * 1.5cm / 3.86 * 3.86 * 0.59in Package Weight: Arc: 150g / 5.29oz Flat: 251g / 8.85oz Package List: 1 * Wood Shaping Disc Package List 1 * Wood Shaping Disc