Specification Brand : Sof-Lex BulletPoint1 : Diamond disc only, mandrel not included. Listing is for #DIA-4020 Size 40 x 0.30mm BulletPoint2 : These diamond discs are used for cutting models and ceramics, acrylics, and plasters. BulletPoint3 : Manufactured with natural Diamonds and very high quality stainless steel. BulletPoint4 : Centers and provide high cutting precision, accurate tolerance, and high quality with a long lasting performance. BulletPoint5 : Extra-thin (xt) discs allow for easier access to interproximal surfaces while offering a slightly stiffer disc Color : Yellow CompatibleMaterial : Stainless Steel ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 0783956289995 ExternallyAssignedProductIdentifier2 : 783956289995 FdaDeviceClassification : ii FdaIndicationOfUse : rx FdaInstructionsForUseType : professional FdaLabelType : rx_only FdaPremarketApprovalNumber510k : NA FdaPremarketApprovalNumberPma : NA IncludedComponents : NO ItemName : Sof-Lex Contouring and Polishing Discs Refill, 1/2" Diameter, Medium (170 Pack) ItemPackageDimensions_Height : 20.955 centimeters ItemPackageDimensions_Length : 0.762 centimeters ItemPackageDimensions_Width : 13.208 centimeters ItemPackageQuantity : 170 ItemTypeKeyword : professional-dental-cutting-and-grinding-discs Manufacturer : 3M ModelNumber : 2382SF NumberOfItems : 1 PartNumber : 1982M ProductDescription : Sof-Lex - F&P Discs - Medium 1/2", Pop-On, Urethane Coated Paper, Dark Blue. Package of 170. #1982M Thin construction for better interproximal surface access. Used to simplify finishing and polishing procedures. Color-coded design allows for easy identification. With unique pop-on disc technology. Sof-Lex Pop-On Discs are contouring and polishing discs that come with a thin profile for better access to interproximal surfaces. These discs have a combination of flexible backing with a round eyelet and low-profile mandrel design that produces increased usable abrasive surfaces.The discs are color-coded for easy identification of grit sequence, and disc thickness and flexibility depend on procedural needs. The pop-on disc technology adds to the easy-to-use system, resulting in superior luster restorations with natural esthetics. ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2016-03-20T01:27:05.880Z StreetDate : 2017-06-14T00:00:01Z Style : Compact SupplierDeclaredDgHzRegulation : unknown TemperatureRating : Ambient: 15 to 25 C (59 to 77 F) UnitCount : 85