General description Perfect for toolmaking, engineering, model engineering, wood carving, jewelry making, chamfering, deburring, grinding, cylinder head porting, and carving tools. This rotary burr is designed for effortless operation, allowing you to easily and quickly remove a variety of materials. The coarse coating provides fast material removal while leaving a relatively smooth finish. It is suitable for your power tool and designed to fit most standard angle grinders, making it the best performing tool of its caliber. Technical specifications Material: Carbon Steel Color: Black Hole Diameter: About 14mm Compatibility: Suitable for 115 type and 125 type angle grinders Package Included 1 * Rotary Grinding Head Other information Please allow 1-3cm deviation due to manual measurement. Actual color may be slightly different from the image due to different monitor and light effects.