Specification Brand : 3M BulletPoint1 : A blend of ceramic and aluminum oxide mineral self-sharpens and offers improved durability and cut-rate over aluminum oxide BulletPoint2 : Roloc TR attachment system allows for efficient install and removal of the disc, without hindering its performance or durability BulletPoint3 : YF-weight, polyester cloth backing is extremely tough, leading to efficiency in medium-pressure applications while maintaining consistent performance BulletPoint4 : Grinding aid reduces grinding temperatures for processes involving heat-sensitive alloys such as stainless steel, nickel alloys, and titanium BulletPoint5 : Abrasive is bonded to the backing with heat-resistant resin for durability in harsh conditions BulletPoint6 : [PRODUCT GUARANTEE] - Pro-Graad Product Guarantee. If you are not satisfied with the product, simply return your purchase within 30 days, and we will replace or refund your order. Pro-Graad is an American Company with US Based Customer Support. Color : Blue CompatibleDevices : Die Grinder ConstructionType : Coated ExternallyAssignedProductIdentifier : 30051144805090 ExternallyAssignedProductIdentifier1 : 0637801194340 ExternallyAssignedProductIdentifier2 : 637801194340 FasteningType : Speed-Lok TR Quick-Change GpsrSafetyAttestation : 1 IncludedComponents : 2 Pack Pro-Graad 6” x 3” Brake Wheel Hub Resurfacing & Cleaning Discs IndustryStandardIdentifier : R Type ItemName : Cubitron II Roloc(TM) Disc 777F, Cloth, TR Attachment, Ceramic Aluminum Oxide, 3' Diameter, P100 Grit (Pack of 50) ItemPackageDimensions_Height : 16.8 centimeters ItemPackageDimensions_Length : 14.1 centimeters ItemPackageDimensions_Width : 14.6 centimeters ItemPackageQuantity : 50 ItemTypeKeyword : quick-change-discs Manufacturer : 3M Material : Silicone Carbide Material1 : Aluminum Oxide Material2 : Ceramic MaximumRotationalSpeed : 20000 rpm ModelName : Brake Hub Cleaning Discs ModelNumber : 777F NumberOfItems : 50 PackageLevel : unit PartNumber : 51144805099 ProductDescription : Made of nonwoven fiber, ensuring its high strength, durability, wear resistance and corrosion resistance, and providing strong cutting force. The particles on the surface of the polishing disc are evenly distributed and firmly bonded; the back is reinforced with patches, which has higher hardness, stronger grinding ability, and is less prone to sand loss. The grinding disc is designed with a R-lock shank, which can be quickly and firmly assembled and fastened to grinders, angle grinders, etc., which is easy to install and operate, and will not fall off easily during use. The sanding disc is used for grinding, deburring, polishing, finishing, rust removal and paint removal, etc. Suitable for home decoration, woodworking, construction, automobile and handicraft industries; can be used for wood, alloy, metal, plastic, rubber, stone, glass fiber etc.