Specification Brand : PLOZEC BulletPoint1 : 【Heavy Duty Casters】- Thickened universal steel column, thickening plate and double support bearing. High strength stainless steel electrophoresis stand, wear resistant mute steel ball. Caster wheels are made of superior polyurethane with strong abrasion resistance, silent shock absorber, wearproof, no drag marks. And enhance the impact resistance of the whole castor. Free screws and a spanner from now on. Total Load Capacity-2200lbs. BulletPoint2 : 4 Inches Casters Heavy Duty Set of 4: Each caster has two bearings, the quality of the bearings is very good, wear-resistant and durable, strong load capacity. BulletPoint3 : No Noise Caster Wheels: Set of 4 casters, very quiet when walking, especially suitable for indoor use, does not hurt the ground, flexible movement, leaving no marks on the ground. BulletPoint4 : Flexibility And Safety- Polyurethane dual caster wheels offers the elasticity of rubber wheels for furniture combined with the toughness and durability of metal casters. PLOZEC swivel locking casters are safe for all floor types. BulletPoint5 : Widely Applications: Caster wheels heavy duty are widely used in benches, trolleys, furniture, Carts, Dolly, Workbench, Trolley, suitable for indoor and outdoor, it is a mobile expert, free screws and spanner includ Color : Black ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier1 : 768502505378 ExternallyAssignedProductIdentifier2 : 0768502505378 IncludedComponents : Caster Wheels ItemName : 4 Inch Casters Wheels Set of 4 Heavy Duty with Brake Load 2200Lbs, Lockable Bearing Plate Caster Wheels, No Noise Polyurethane Swivel Industrial Top Plate Casters for Furniture and Workbench Cart ItemPackageDimensions_Height : 25.7048 centimeters ItemPackageDimensions_Length : 17.2974 centimeters ItemPackageDimensions_Width : 19.7104 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : plate-casters LoadCapacity : 550.0 pounds Manufacturer : PLOZEC Material : Polyurethane Material1 : Stainless Steel Material2 : Acrylonitrile Butadiene Styrene (ABS) ModelNumber : EF07-11-100SA-302 MountingType : Plate Mount NumberOfItems : 4 PackageLevel : unit PartNumber : EF07-11-100SA-302 PitchCircleDiameter : 4 inches ProductDescription : caster wheels casters set of 4 heavy duty casters wheels for cart caster wheels heavy duty wheels for furniture heavy duty casters casters set of 4