Depressed Center Redline Max A.O. Pearl's innovative MAX A.O. super grain is highly efficientLess vibrationCooler grindingNon-loadingIncreased grinding effeciencyFor ferrous metals; iron, steel & stainless steelAvailable with or without hub Maxidisc EXV Zirconia High Density Engineered with zirconia grains on a heavy duty coated abrasive cloth. The EXV™ Maxidisc™ is designed for grinding, blending and finishing on a wide range of metal and stainless steel applications.Medium to heavy stock removal on metalsBlending and intermediate finishing of metal surfacesWeld bead removalPaint removalBase preparation for steel frame structuresDeburring and corner removalGrinding, blending and finishing of stainless steelAPPLICATIONS: For Metal and Stainless Steel. Zirconia Maxidisc Flap Discs for Metal/Stainless SteelFor ferrous metals, iron, steel and stainless steel.Zirconia.Medium flexibility.T-27 shape. 2” or 3” Mini Conditioning DiscsAluminum Oxide Laminated Cloth Quickmount™ mini conditioning disc.Surface preparation before coating and painting.Removes rust, paint and oxidation.Removes weld discolorationCleans tools and engine parts.For ferrous metals, iron, steel and stainless steel. Premium AO Fiber Discs for MetalDesigned for blending, sanding and finish work. Pearl fiber discs are available in a variety of grits, grains and sizes. These discs feature a special mix of grain for high performance and life.Aluminum Oxide.For ferrous metals, iron, steel & sheet metals.Max RPM: 13,000.