This caster wheel set can be used for our steel Box Stand - item number BX-441826WS which provides an economical and easy way to sort, store, keep clean and dispense your boxes or cartons. Free up your storage or shipping area. Five black electrocoat finished 7/16" diameter steel dividers are 17"W x 25"H and divide the stand into 4 sections. Each powder coated painted box stand comes complete with all hardware and 4 leveling feet.