Product Name: Grinding wheel grinding headShape: CylindricalDiameter:4mm (suitable for chainsaw small 8 chains)4.8mm (suitable for small chain saw 325, large 8 chain)5mm (suitable for large chain saw 404 chain)Shank Diameter: 3mmMaterial: Chrome steel jadeSuitable for: Electric grinder, lithium electric grinderMesh Number: about 120-150 meshProduct Usage:It is mostly used for grinding chainsaw chains, and also suitable for grinding and polishing jade.mill. After polishing, the jade carving workpiece is finely ground and the machining accuracy and efficiency are farHigher than traditional oilstone polishingPackage Included:Grinding Wheel Grinding HeadOur products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it