Specification Brand : Trajan BulletPoint : 100% Graphite or 85% Vespel/ 15% Graphite BulletPoint1 : Composition: Polytetrafluoroethylene BulletPoint2 : Maximum operating temperature: 250°C BulletPoint3 : Does not stick to glass or metal BulletPoint4 : Reusable if not overtightened, seals at one quarter past fingertight BulletPoint5 : Does not stick to glass or metal ConnectorType : Reducer ItemName : Trajan 072655 HP GC/Ms Ferrule, Vespel/Graphite, Fit 0.45 mm to 0.53 mm I.D. Columns (Pack of 10) ItemPackageDimensions_Height : 16.4 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 5.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : compression-fitting-ferrules Manufacturer : Thomas Scientific Material : Graphite ModelNumber : 072655 NumberOfItems : 10 NumberOfPieces : 10 NumberOfPieces1 : 10 NumberOfPieces2 : 1 PartNumber : 072655 ProductDescription : Ohio Valley Specialty ferrules are thermally conditioned and ready for immediate high temperature GC use. ProductSiteLaunchDate : 2015-03-05T16:11:52.060Z SupplierDeclaredDgHzRegulation : unknown UnitCount : 10 UnspscCode : 41000000