Specification Brand : endlessparts BulletPoint1 : 4 wheel rubber caster kit BulletPoint2 : 800 lb Capacity BulletPoint3 : Comes with 4 Swivel Casters (2 with brakes) for Optimal Maneuverability BulletPoint4 : NSF Certified for Professionals BulletPoint5 : Application: It is suitable for any standard wooden pulley or cart, furniture, wooden furniture, tool boxes, or light machinery and suitable for use on most types of floors such as concrete floors, smooth brick surfaces, blankets, and wood floors BulletPoint6 : 6.VERSATILE: These 4 inch casters (set of 2) heavy duty casters can hold up to 440 pounds and are ideal for home furniture and other items such as sleeper sofas, coffee tables, side tables, and even under-bed storage boxes. BulletPoint7 : 7.If you encounter any problems during the purchase process, you are welcome to contact customer service directly to solve the problem. Color : Grey CompatibleWithVehicleType : Small Appliance CompatibleWithVehicleType1 : Mower CompatibleWithVehicleType2 : Truck ExteriorFinish1 : Polished ExteriorFinish2 : Machined ExternallyAssignedProductIdentifier1 : 748296476870 ExternallyAssignedProductIdentifier2 : 0748296476870 IncludedComponents : Canister IsValueStoresItem : 1 ItemDisplayDimensions_Length : 5 inches ItemName : 4 Pieces ball round Small Swivel Caster Wheel robot platform Fixed Metal A12 ItemPackageDimensions_Height : 10.16 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : plate-casters LoadCapacity : 800.0 pounds Manufacturer : endlessparts Material : Rubber Material1 : Metal Material2 : Steel ModelNumber : endlessparts MountingType : Plate Mount NumberOfItems : 4 NumberOfLithiumMetalCells : 1 PartNumber : endlessparts ProductDescription : Package Includes 4 Pieces - Ball wheel thing Steel ball diameter 15.8mm Overall length 49mm Mounting hole distance 39mm Total width 32mm Total height 22mm Individual weight of about 0.04 kg ProductSiteLaunchDate : 2017-06-29T00:31:05.144Z Size : 10 inches Style : centimeter SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702