Specification Brand : BK Resource BulletPoint1 : SET OF FOUR CASTERS: This set includes four (4) threaded stem swivel casters perfect for wire shelf carts, bakery equipment, food service operations, displays, maintenance carts, office equipment BulletPoint2 : 4 Inch diameter locking casters: Each caster features a 4 inch diameter Polyurethane wheel BulletPoint3 : 3/4" x 1" Threaded Stem, fits 1” OD Tubing, NSF certified BulletPoint4 : COMMERCIAL GRADE: Polyurethane wheels are resistant to acids & caustics, weight capacity of 300 lbs per caster, temperature tolerance of -45 degrees F to 180 degrees F BulletPoint5 : SMOOTH AND QUIET OPERATION: Each caster features a smooth and quiet double ball bearing raceway with dust cover Will not leave marks on flooring surfaces Color : Polyurethane ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier1 : 840653183985 ExternallyAssignedProductIdentifier2 : 0840653183985 IncludedComponents : 4 Casters ItemName : BK Resources 4 inch Threaded Stem Swivel Casters, 3/4"-13 x 1", Set of 4, NSF, Polyurethane Wheels, Top Lock Brake, 300lb Capacity, Resistant to Acids & Caustics, Double Ball Bearing ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 10 inches ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 300.0 pounds Manufacturer : BK Resources Material : polyurethane Material1 : Steel Material2 : Polyurethane ModelNumber : 4SBR-6ST-PLY-PS4 MountingType : Stem Mount NumberOfItems : 4 PackageLevel : unit PartNumber : 4SBR-6ST-PLY-PS4 ProductDescription : EDL Mini Duty 2" 40KG Threaded Swivel PU Caster 26132/M10X15-262-76