Specification Brand : Barton Marine BulletPoint : Great Product BulletPoint1 : Self-contained sheaves are designed for sailors to use in custom applications. 16 mm AirBlock sheaves are Delrin and feature stainless ball bearings that ride in a grooved race. BulletPoint2 : Sheave Ø (mm)16 mm Width (mm)8 mm BulletPoint3 : Center pin Ø (mm)4.75 mm BulletPoint4 : Maximum line Ø (mm)5 mm BulletPoint5 : Maximum working load (lb)250 lb Color : Multicolor ExternallyAssignedProductIdentifier : 5035088080458 ExternallyAssignedProductIdentifier1 : 0097653015475 ExternallyAssignedProductIdentifier2 : 097653015475 ImportDesignation : Made in the USA IncludedComponents : Great Product ItemName : Barton Marine Size 2 Single Swivel Block ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : sailing-hardware Manufacturer : Barton Marine Material : Plastic ModelName : N02130 ModelNumber : N02 130 NumberOfItems : 1 PackageLevel : unit PartNumber : N02 130 Pattern : Solid ProductDescription : Harken 16mm Sheave 415 Harken 16mm Sheave 415