Features:Restores and prolongs the life of grinding wheels Re-shapes worn Wheels to give true grinding surface Heavy duty diamond coated head with knurled handle for secure grip Dresses across the width of grinding wheels to give a flatter surface 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 ensure a 'true' grinding profile.Specifications:Color: Gold & SilverSize: as picture showsWhole Length: 100mmMaterial: Diamond coated + MetalPackage Content:1 X Diamond Stone Dresser Tool