Specification Brand : CAI - NORTON BulletPoint1 : 1. 100% brand new and good working condition BulletPoint2 : 2.Wet and dry,Durable, efficient grinding, easy to use. BulletPoint3 : 3.Different kinds of grit for different demand BulletPoint4 : 4. Widely used for grinding and polishing artificial stone, furniture and wood products, metals, cars and polishing BulletPoint5 : 5. This product polished surface dry sandpaper and other raw materials, the back is flannel, stick in the corresponding specifications stick pan, power tools orpneumatic tools efficient grinding putty, ConstructionType : Coated ExternallyAssignedProductIdentifier : 9956184749307 IndustryStandardIdentifier : Type 27 ItemName : Norton 7" Type 27 Ceramic Depressed Center Wheels, 5/8"-11 Arbor, 1/4"-Thick, 8600 Max. RPM ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-cutoff-wheels Manufacturer : CAI - NORTON Material1 : Aluminum Oxide Material2 : Ceramic MaximumRotationalSpeed : 8600 rpm PartNumber : 66253370799 ProductDescription : The Quantum3 depressed center grinding wheel combines a ceramic alumina abrasive grain and an innovative bond system and lasts about five times longer than aluminum oxide wheels, while providing twice the performance and longevity of other ceramic wheels. Intended for offhand stock removal on cast iron and gray iron with a rugged design for outstanding toughness. The high performance level of this wheel helps cut down on labor costs when working on demanding foundry jobs.