"Vestil Tri Dolly can transport a 5-gallon pail, 30-gallon drum or LP gas tank. Caster Type Swivel, Caster Size in. 3 x 1 1/4, Includes Rubber coated hook, Material Type Steel, Brakes Included No, Compatible With 5 gallon pail or 30 gallon drum, Caster Material Cast iron, Dimensions L x W x H in. 21 1/2 x 21 1/2 x 5 7/8, Base L x W in. 21 1/2 x 21 1/2, Load Capacity lbs. 900, Deck Construction Open. Multipurpose dolly has a high-polished bright zinc finish for corrosion resistance Rubber-coated hook allows strap to hook on top of drum for storage Includes 4 hard rubber casters 4ft. L nylon pull strap helps in transporting down aisles or over thresholds 19in. inner diameter"