This modular system allows you to securely store and dispense from horizontal 55-gallon drums while providing spill protection. • Base sump provides a dispensing well and enclosed spill compliant sump with drain. Choose between 1 and 2 drum designs • Stacking pieces rest on top of drums and provide a solid base for a second/third layer of drums. • High Density Polyethylene provides long life • Durable construction provides 1500/3000 lbs load capacity for the base, and 1200/2400 lbs for the stacking piece • Optional dispensing shelf attaches to stacking pieces for additional stability.