[Detail]: Complete and evenly distributed particles on the chainsaw bits provide steady and efficient sharpening performance. [Premium Quality]: The burr grinding stone file is made of high-quality material with excellent hardness. Featuring a titanium plating process, it is durable and less prone to breakage, offering up to 30% longer service life compared to non-titanium-plated bits. [Easy to Operate]: Designed specifically for use with an Electric Chainsaw Sharpener, these bits allow polishing without disassembling the chain, reducing maintenance time and improving work efficiency. [Application Occasions]: 3/16 inch wheels are suitable for 325 pitch chains and 3/8 inch chainsaw chains. These grinding tools are widely used for machinery, bearings, molds, castings, deep holes, internal surfaces, weld spots, weld seams, and burr removal. [Tips]: Surface black spots on the wheel are a normal mixture of titanium and silicon carbide. This does not affect performance, and the product is safe and ready for normal use. Color: Golden Material: Emery Size: 48mm Package Contents: 10 x Burr grinding stone file Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.