Double Drum Dolly - Doubles worker productivity. Drums are contained securely within the 2 1/2 inch deep ring. Drum is 5 1/4 inch off floor. Heavy duty steel frame with four 3 inch wide cross strips and 2 1/2 inch angle stiffener supports the load and reduces flexing. Six double-race ball bearing casters with 4 inch diameter polyolefin wheels provide total maneuverability.