Heavy-duty diamond-coated head with a knurled handle for a secure grip. Produces minimal dust without chipping, restoring and extending the lifespan of grinding wheels. Ideal for quickly and easily truing damaged and uneven bench grinding wheels. This diamond-coated dresser is an effective solution for bringing your grinding wheel back to optimal condition. For maximum performance from your bench grinder, it is essential to regularly 'dress' the grinding wheels to maintain their width, balance, and 'true' grinding. Product Name: Diamond Grinding Wheel Dresser Head Size: 45x13x13mm /(LxWxH) Length: 103mm /about 4inch Colour: silver Material: diamonds Size: 103x45mm Package Contents: 3 * Grinding Wheel Dresser Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.