8Pcs chainsaw bits, titanium plated, specially designed for electric saw sharpeners, can sharpen the chain stably and effectively. Specifications: Material: Titanium coating Color: Gold Diameter: 4mm(5/32 34;), 4.8mm(3/16 34;), 5.5mm(7/32 34;) (optional) Quantity: 8Pcs Package Weight: 4mm: 22.3g / 0.79ounces 4.8mm: 33.1g / 1.17ounces 5.5mm: 44.7g / 1.58ounces Package 70 * 40 * 20mm / 2.76 * 1.57 * 0.79in Note: There may be many black spots on the surface of the wheel. It is not that the titanium coating falls off, but that the titanium and silicon carbide are mixed. Better use. Packing List: 8 * Chainsaw Bits Our 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 specifications We 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