Specification Brand : SES CASTERS STANLEY E. SMITH COMPANY BulletPoint1 : Durable and Quiet Polyurethane Wheels with Precision Ball Bearings BulletPoint2 : 1200lbs Capacity Per Set BulletPoint3 : Double Row Ball Bearing Swivel Raceway with Dust Caps BulletPoint4 : 1/2" Hollow Rivet Allows for Countless Mounting Options BulletPoint5 : Perfect for Mounting Caster's to Wood Frames with Lag Screws or Bolts Capacity : 4000 pounds Color : Grey CompatibleWithVehicleType : Truck ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 659257111290 ExternallyAssignedProductIdentifier2 : 0659257111290 ExternallyAssignedProductIdentifier3 : 00034238704157 IncludedComponents : Mounting Hardware Not Included ItemName : Caster Set of 4 | 5" Polyurethane with Precision Bearings | 2 Locking and 2 Swivel with 1/2" Hollow Rivet Mounting Hole ItemPackageDimensions_Height : 5.5 inches ItemPackageDimensions_Length : 11 inches ItemPackageDimensions_Width : 8.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : plate-casters LoadCapacity : 1200.00 pounds Manufacturer : SES Casters Material : Polyurethane ModelName : Series #20 ModelNumber : CS34N05SGKX.RPRGGDX MountingType : Stem Mount NumberOfItems : 4 PackageLevel : unit PartNumber : CR37B05SKTX.PPXGGAX ProductDescription : This listing is for one set of four SES brand polyurethane 5x1-1/4" Swivel Caster's (2 locking swivel and 2 swivels) with a 1/2" hollow kingpin mounting rivet. This mounting allows you to use your own screw, bolt or any other type of specialty mounting as long as it is 1/2" in diameter or less. This set up is perfect for mounting casters to wood products using wood or lag screws and is also helpful when metric mounting is required. ProductSiteLaunchDate : 2019-11-06T08:00:00.000Z Size : 3" Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702 WebsiteShippingWeight : 8.9 pounds