[Material and Lifespan] The angle grinder disc is made of high-quality carbon steel, high hardness, high compressive strength, good wear resistance, polishing and grinding with less effort. Each sharp tooth is very sharp, not easy to break or deform, high hardness, high safety and long service life. [Wide Range of Uses] The wood grinding disc is a universal accessory Compatible with angle grinders. It has a wide range of uses and is suitable Compatible with all wood products. It can be used Compatible with grinding, trimming, cutting, root cutting, polishing, etc. It has very good wear resistance and can provide you with great work efficiency, and more importantly, it will not cause soreness in your arms. [What You Get] Four different woodworking discs, from rough grinding to detailed grinding, can be solved at once, you don't need to buy more grinding discs, Compatible with helping you solve all your problems. [Fits Most Angle Grinders] The outer diameter is 4 inches and the arbor is 7/8 inches. The shaping wheel is suitable Compatible with all 4-inch or 4-1/2-inch angle grinders on the market. Color: gold + black Material: carbon steel Size: Inner diameter: 22 mm Package contents: 4 x Wood carving discs Only the above Compatible with package contents, other products are not included. Note: Light shooting and different displays may cause the color of the product in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm.