Vestil Multi-Purpose Drum Dollies have a high polished bright zinc finish for corrosion resistance and (4) 3" x 1¼" swivel casters. Each unit comes with a 4 foot long nylon pull strap that helps in transporting dolly. Rubber-coated hook allows strap to hook on top of drum for storage. Vestil Quad Dolly series DRUM-QUAD, can transport a 5 gallon pail, 30 or 55 gallon drum or LP gas tank. Available with hard rubber or cast iron wheels.