Specification Brand : SES CASTERS STANLEY E. SMITH COMPANY BulletPoint1 : Rubber Adapter Expands from 0.72" to 0.84" BulletPoint2 : Non-Marking and Durable Polyurethane Wheel BulletPoint3 : Maintenance Free Delrin Sleeve Bearings BulletPoint4 : 1000lbs of Total Capacity Per Set BulletPoint5 : 4-1/8" Mounted Height CareInstructions : Wipe with Dry Cloth Color : Blue ExternallyAssignedProductIdentifier1 : 686294367359 ExternallyAssignedProductIdentifier2 : 0686294367359 Hazmat : auto-grounding IncludedComponents : 4* 5/16"-18 Threaded Screw Inserts ItemName : 3" Expandable Stem Caster Set | for 3/4" ID Tubing | Polyurethane Wheels | Fits Tube ID from 0.72" to 0.84" ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : stem-casters LoadCapacity : 1000.00 pounds Manufacturer : SES Casters Material : polyurethane ModelNumber : CR39A03SXKX.PPXGGPX MountingType : Stem Mount NumberOfItems : 4 NumberOfPieces : 4 PartNumber : CR39A03SXKX.PPXGGPX ProductDescription : This listing is for one SES brand 3x1-1/4" swivel polyurethane caster kit (2 locking and 2 non-locking) for work tables, food prep tables, or any other equipment with round tube legs with a 3/4" ID. ProductSiteLaunchDate : 2020-03-23T07:00:00.000Z Size : 3x1-1/4" Blue Style : 5/16" Threaded Stem(English Unit) SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 1