Add Poly Stackers to your Poly Racker and create storage system for up to six drums. Each Poly Stacker holds two 55-gal drums and can be quickly stacked with a forklift. Add up to two Poly Stackers to your Poly Racker to increase drum storage. Spills from second and third levels fall into dispensing well for containment and easy cleanup. Combined, Poly Racker and Poly Stacker create the most efficient drum storage and dispensing system on the market. Rated with a 3000 lbs handling capacity.