1.Createsvery little dust without chipping. 2.Restores and prolongs the life of grinding wheels 3.Re-shapes worn Wheels to give true grinding surface. 4.Heavy duty diamond coated head with knurled handle for secure grip 5.Dresses across the width of grinding wheels to give a flatter surface 6.This diamond-coated dresser is a simple way of returning your grinding wheel to tip-top condition 7.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 Material: Diamond Size:45mm Color: As the picture Package Contents:1* Diamond Stone Dresser Tool Only the above package content, other products are not included. Note: Light shooting 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.