Bond steel triangular cup dolly 4200 – cast iron wheels – 1500 lb. Capacity triangular cup dollies are used in industrial areas where there is little room to navigate large equipment, including seasonal storage needs. The compact triangular shaped dollies with a cup center; often called cup dollies or cup casters is also useful for equipment moving / construction. the ductile iron wheels are suited for their higher weight capacity and for use on industrial flooring types, in most environments and require no maintenance with their sealed ball bearings. 4″ x 2″ cast iron wheels have the highest capacity of all the wheels. These wheels are supplied with sealed, no maintenance, ball bearings. These wheels are used in any environment; water, grease, animal fats, oils, commonly used acids, chemicals & cleaning solutions. The wheel has a temperature range of -45 f to 800f features: bright safety yellow powder coat base helps with visibility during use 6″ diameter by 2″ deep center well supports larger foot plates; with four drain holes allows for use in wash-downs 14″ end to end base plate dimension manageable weight of 47 lbs. Each 1500 lbs. Capacity per dolly