PENCO Rivet-Rite Double Rivet Components combine to form sturdy bulk storage shelving for use in retail and industry. Shelves attach to posts via a boltless double-rivet connection. Shelf capacity: up to 1400 lbs. Roll-formed steel framing with chip-resistant baked enamel finish. Made in USA.NOTE: Shelves, particleboard decking, uprights and center supports are sold separately. Must order shelves, uprights, and center supports to build a complete shelving unit.