and high quality Size: 4mm/4.8mm/5.5mm/6mm (Optional) Shape: cylindrical Diameter: 4mm (suitable for chainsaw small 8 chains) 4.8mm (suitable for small chain saw 325, large 8 chain) 5.5mm (suitable for large chain saw 404 chain) Shank diameter: 3mm Material: Chrome alumina Suitable for: electric grinder, lithium electric grinder Mesh number: about 120-150 mesh Package Included:10pcs Note: 1. Due to manual measurement, please allow an error of 1-3mm. 2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.