Action's Series 4 Boltless Shelving Units are engineered to handle loads from 1,500 pounds to 2,000 pounds per shelf, the highest capacity of any Rivet System® Shelving Unit on the market. Assembly is simple and quick as no nuts, bolts or shelf clips are required. Since the unit doesn’t require cross braces, you can access all four sides of the unit. Shelves easily adjust every 1½”and and every unit has 5/8” particle board decking as well as one support per shelf for extra capacity. For your convenience, individual units can be connected using interlocking Tie Plates. Steel Color: Grey. Series 4 Boltless Shelving Units are available in either 72” or 96” widths and a standard height is 84” (7'). Optional 10’ and 12’ tall units are also available - add $5.75 per item for 10’ tall units and add $11.50 per item for 12’ units. Call Action for details on custom shelving units. Photo shows 4 shelf unit. All Series 4 Units come with 3 shelves. Additional shelves can be ordered separately. Action will not be undersold - check out our Low Price Guarantee and Free Shipping. If you have any questions, please call 800-966-3999.