Features: The 28 teeth wood grinding wheel works with an angle grinder, easy to install and use. Made of high quality steel with a high hardness, durable and wear-resistant. The angle grinder disc is approximately 4.8 inches (122 mm) in outer diameter and 0.87 inches (22 mm) in hole diameter. br/> High performance grinding disc provides fast and precise shaping on wood, root carving, tea tray/coffee table polishing, etc. Apply for sanding , carving, shaping, polishing, grinding in woodworking. Features: Quantity: 1pcs/2pcs (optional) Material: Steel Inner Diameter: 22mm / 0.87in Item Size: 122 * 122 * 15mm / 4.80 * 4.80 * 0.59in Package Weight: 264g / 9.31oz (1pcs), 535g / 18.87oz (2pcs) Package size: 12.5 * 12.5 * 2.5cm / 4.92 * 4.92 * 0.98in (1pcs), 12.5 * 12.5 * 6cm / 4.92 * 4.92 * 2, 36 inch (2 pieces) Packing list: 1/2 * grinding disc (optional)