Feature: 1. Mini grinder disc chain saw uses its speed and mobility to complete the cutting, engraving, removing and engraving of wood, plastic, ice and hard rubber. The chain saw blade is fixed between two steel plates, Provides a firm grip for engraving. Whether it is texture or knot, the blade can easily cut the material to the user. 2. Our 8-tooth design provides a smooth finished surface, which is very useful for minimal grinding afterwards. Suitable for 4 "(100mm) or 4-1 / 2" (115mm) angle grinders 3. The chain can be sharpened using a chain saw file, or it can be replaced as needed. 4. Maximum speed (RPM): 13300 RPM is very suitable for bending work, such as inside the bowl, can quickly remove waste. 5. Warning: It is not advised to use the switch lock feature on any grinder. To prevent serious injury, amputations, and DEATH, read and follow all power tool instructions and all instructions included with this item Product description Product size: 65mm Product hole position: 5/8 inches (16mm) Maximum speed (RPM): 10000-13300 RPM Note: Suitable for 4 "(100mm) or 4-1 / 2" (115mm) angle grinders Checklist: 1X Mini Grinder Disc note: Due to manual measurement, please allow 2-3mm error Because the monitors are not calibrated the same, the colors of items in photos displayed on a computer monitor may be slightly different