Rivet Angle Shelving And Rivet Angle Bulk Rack can be combined and used in conjunction with each other. The units must have the same depth and height as each other but the widths can be any combination you choose.

The picture to the left happens to consists of :

1) starter unit, light duty rivet angle shelving
    36" wide x 24" deep x 6' high with five 
    particle board shelves.

1) adder unit, light duty rivet angle bulk rack
     72" wide x 24" deep x 6' high with three
     particle board shelves.