Specification Brand : Pusalxl BulletPoint1 : Caster Wheels: wire shelf wheels set of 4, 2 with brakes,. Wheels diameter in 3 inch, wheels stem diameter: d=1/4",d1=3/16",Comes with additional 5/16", 3/8" threaded adapters,for universal use of wheels between 1/4, 5/16, and 3/8. BulletPoint2 : Easy installation:caster wheels set 4 for wire shelving only compatible with shelf post diameter is 3/4" and 1”,please confirm the size to avoid buying the wrong specification. BulletPoint3 : Industrial wire shelves usually only use 1/4”wheel,5/16”wheel and 3/8” wheel,so our wheels.So we made a universal design for our wheels in 1/4 and 5/16 and 3/8 BulletPoint4 : Easy mobility: Rubber black Casters 1/4 thread for shelf shelving wire shelving shelves and furniture are quickly attached to multitude of applications, which can move easily and roll smoothly, and protect your floor. BulletPoint5 : 150 LB load capacity per wheel: Set of 4 casters with 1/4 inch threaded max weight capacity is 450lbs. Capacity : 705 pounds Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 766640631942 ExternallyAssignedProductIdentifier2 : 0766640631942 IncludedComponents : 2 Swivel & 2 w/ Brake Casters ItemName : Pusalxl 3-Inch Casters,Shelving Wheels, Wire Shelving Replacement Wheels Set of 4, Threaded Stem Rubber Casters (Screw Diameter 1/4"- 20) for Wire Shelves Rack Legs with 3/4" Posts ItemPackageDimensions_Height : 19.4056 centimeters ItemPackageDimensions_Length : 8.001 centimeters ItemPackageDimensions_Width : 17.0942 centimeters ItemTypeKeyword : stem-casters LoadCapacity : 450.0 pounds Manufacturer : Pusalxl Material : Rubber ModelNumber : Expand-Stem-100Com MountingType : Stem Mount PartNumber : Expand-Stem-100Com ProductDescription : Wire shelf rollers caster 1/4 inches threaded stem for wire shelving,wire rack,wire shelves,metal shelving,shelving unit Please measure the size of the shelf tube post before your purchase. When the tube post diameter is 3/4" and 1" , choose our wheels. Heavy duty casters 1/4-20 thread set of 4 1/4 thread Caster Wheels for Shelves Rubber can effectively reduce the noise generated during rolling. Steel ball steering design makes the steering more flexible and smooth. Easy to install, suitable for various swivel side table and shelves casters set of 4 with 1/4 inch stem heavy duty 3 inch Casters with 1/4 threaded stem also include 5/16 , 3/8, m8, m10 inch threaded stem adapter,so if you need 1/4,5/16,or 3/8 threaded casters all can choose it with confidence. 1/4 threaded stem casters,It can also be called 5/16 threaded stem casters,It can also be called 3/8 threaded stem casters,Because of the universal design of 1/4, 5/16 and 3/8 threaded stem. 1/4 thread casters for wire shelving Make your Shelving unit mobile with our industrial strength caster wheels for shelving.A boxed set of 4 containing 2 wheels with locking mechanisms and 2 without. Our wheels are threaded stem 1/4", 5/16", 3/8", m8, m10 all include, which are very different from other products. ProductSiteLaunchDate : 2022-07-30T14:26:03.849Z Size : 3" diameter Style : Combo Set SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4