Configure this rack to your exact "Lean manufacturing? requirements. Standard model includes two 15? deep x 36? wide shelves that are adjustable on 2? increments, allowing you to place your parts, tools, or supplies at the optimal ergonomic height. Add optional accessories to customize the rack to fit your needs. The 9-1/4? high deck surface measures 9? deep x 42? across with 1? retaining lip. All-welded construction with 2 swivel and 2 rigid 6? phenolic wheels and powder coated surface results in a durable unit that will stand up to the harshest environments.