Heavy duty diamond coated head with knurled handle for secure grip. Creates very little dust, without chipping, restores and prolongs the life of grinding wheels. Perfect for truing damaged and bumpy bench grinding wheels in quick and easy process. This diamond-coated dresser is a simple way of returning your grinding wheel to tip-top condition. 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 a 'true' grinding profile. Product Name: Diamond Grinding Wheel Dresser Head Size: 45x13x13mm /(LxWxH) Total 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.