Specifications: 100% Brand New Material: Diamond coated + Metal Color: As Pictures Show Size: 8.5cm Features: 1. Life-time guarantee 2. Createsvery little dust without chipping 3. Restores and prolongs the life of grinding wheels 4. Re-shapes worn Wheels to give true grinding surface 5. Heavy duty diamond coated head with knurled handle for secure grip 6. Dresses across the width of grinding wheels to give a flatter surface 7. This diamond-coated dresser is a simple way of returning your grinding wheel to tip-top condition. 8. To get the maximum performance from your bench grinder, it's imperative that the grinding wheels are regularly 'dressed' across their width to maintain their balance and ensure a 'true' grinding profile. Notice: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2. The color may have different as the difference display, Please understand. Package Included: 1 X Diamond Stone Dresser Tool