Specification Brand : FactorDuty BulletPoint1 : PLATE SIZE: 2.5" (63mm) x 3.5" (90mm). Hole center to hole center: 1.7" (44mm) x 2.8" (72mm). WHEEL DIMENSIONS: Caster Wheel Width: 1.2" (30mm). Caster Wheel Diameter: 4" (102mm). Caster Wheel Capacity: 400lbs each caster. Caster Wheel Material: Iron. Overall Heights : 4.9" (125mm). BulletPoint2 : CASTER FEATURE: The heavy duty steel casters contains two ball bearings, which can rotate freely and is shock resistant. BulletPoint3 : 360 DEGREE ROTATE SWIVEL CASTERS: Transform the mating equipment to any directions in the most efficient and labor-saving way, our cast iron caster wheels are the best accessories for the heavy furniture, desktop, table, cabinet or trolley. BulletPoint4 : HEAVY DUTY CONSTRUCTION: The support frame and top plate casters wheels are made of high quality iron with roller bearing for each wheel, moving smooth, the load capacity for each casters is 400lbs, and it's up to 1600lbs iron casters. BulletPoint5 : WIDELY USED: Heavy duty cast iron caster wheels can be used in both as industrial caster and residential applications, for coffee table, plant stands, bookshelves, shoe bins, toy bins, shopping carts, workbench, warehouse or supermarket shelves, they can be installed to most devices if you want. Package Includes: 8 x Caster Wheels No Brake Capacity : 250 pounds Color : Black Color1 : Black Color2 : Silver CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 734099666587 ExternallyAssignedProductIdentifier2 : 0734099666587 ExternallyAssignedProductIdentifier3 : 0163121532406 ExternallyAssignedProductIdentifier4 : 0019428088149 ExternallyAssignedProductIdentifier5 : 00019428088149 IncludedComponents : 0507,CASTOR KIT, 0500 ItemName : FactorDuty 8 All Black Metal Swivel Plate Caster Wheels Heavy Duty High-Gauge Steel (4" No Brake) ItemPackageDimensions_Height : 8.39 inches ItemPackageDimensions_Length : 3.19 inches ItemPackageDimensions_Width : 5.59 inches ItemPackageQuantity : 1 ItemTypeKeyword : plate-casters LoadCapacity : 400.0 pounds Manufacturer : FactorDuty Material : Metal ModelNumber : BHAT12-1771 MountingType : Plate Mount NumberOfItems : 4 PartNumber : BHAT12-1771 Pattern : Solid ProductDescription : Features: * Rotate 360 degrees * Capacity: 400lbs each * Plate Size: 2.5" (63mm) x 3.5" (90mm) * Hole center to hole center: 1.7" (44mm) x 2.8" (72mm) * Mounting hole dimensions: 0.39" (10mm) * Wheel Dia.: 4" (100mm) * Wheel Width: 1.2" (30mm) * Wheel Material: Iron * Color: All Black * Overall Height: 4.9" (125mm) * Includes: 8 casters no brake ProductSiteLaunchDate : 2018-03-16T10:54:37.460Z Size : 4" No Brake Style : Built In SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702