Material: The chainsaw sharpening stone is crafted from high-quality emery and features a titanium plating process, which ensures faster sharpening and greater longevity compared to any steel sharpener. Easy To Use: This chainsaw sharpener is simple to install, allowing for polishing without the need to dismantle the chain. It reduces the frequency of chain replacements, saving time and labor while enhancing work efficiency. Wide Usage: It is widely applicable in machinery, bearings, metal polishing, chain saws, molds, jade, wood, etc., effectively grinding materials due to its hard texture. Applicable objects: Diameter 5/32 inch (4.0mm), suitable for sharpening chainsaw chains such as small 3/8 inch, 1/4 inch chainsaw chains, and other smaller blades. Colour: Gold Material: Emery Package Contents: 10 x Chainsaw Sharpener Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item to appear slightly different from the actual product. The allowed measurement error is +/- 1-3cm.