Product Name: Chrome Corundum Electric Chain Saw Grinding Wheel (PA) Product Quantity: 1 piece Net Weight: 0.37 lbs Chain saw sharpener grinding wheel, mainly used to repair electric saw teeth. Chrome corundum grinding wheel features high hardness, good toughness (better than white corundum), good wear resistance and self-sharpening, long service life, and high workpiece processing finish. Application: Chain saw sharpener grinding wheel. Mainly used to repair electric saw teeth. High chrome corundum electric chain saw grinding wheel is used for grinding the blade of electric chain saw made of high-speed steel and alloy steel. Grinding wheel with thickness of 3/16 and diameter of 5-3/4. Suitable for grinding chain saws with chain segment of 3/8 inch, 0.404 inch. Various electric chain saws with groove width of 0.05 inch, 0.058 inch and 0.063 inch. Quality and features: Chrome corundum grinding wheel is made of first-grade sand, high chromium and medium chromium according to the optimized formula and adhesive sintered at high temperature, also known as ceramic grinding wheel. Features: Chrome corundum has high hardness, good toughness (better than white corundum), good wear resistance and self-sharpening, long service life, and high finish of workpiece processing. Size: 5-3/4 inches diameter, 7/8 inches arbor, 3/16 inches thickness.. Standard size grinding wheel can be installed on the common models of chain sharpeners on the market. Please choose the appropriate grinding wheel according to your chain segment saw and slot width. Safety and precautions: The chain saw sharpener must be firmly fixed. Before installing the grinding wheel, please check and operate according to the instructions provided. Before working with the grinding wheel, please take personal protection measures. After-sales: Each of our products is strictly inspected and carefully packaged, but we do not rule out accidents. If you accidentally receive an unsatisfactory product, please feel free to contact Amazon for a replacement or return. You can also contact us about product issues, we will answer any questions for you and will try our best to solve the problem until you are satisfied.