Save money and prevent spills! Increase safety and productivity when you add the Poly-Shelf to your Poly-Rack System. It easily attaches to a Poly-Stacker and allows simultaneous dispensing from all drums. Spills? A hole in the bottom of the Poly-Shelf drains into the dispensing well in the Poly-Racker. Weight: 10 Lbs. Load Capacity: 60 Lbs. Dimensions: Length 17‚Äù, Width 22‚Äù and Height 17.5‚Äù.