This type of tire wheel dolly is made from solid 45 steel with tough protective coated finish. Its 4 wheels can easily roll 360 degrees with much less force than is required with traditional dollies. It is great for moving snowmobile, cars, tractors and other heavy vehicles. It rated at 1500lbs, which will greatly help your repairing work. Features: Use for moving and storage snowmobile in garage, you can easily move your vehicle instead of scratching your cement floor. Made from solid 45 steel, thick diamond plate structure, sturdy and heavy duty performance. Each dolly is equipped with 4 360 degree swivel casters which make it easy to move around with less force. Durable caster wheel and steel pad for 1500lbs max capacity total. Two of the casters designed with brakes, can stop instantly when encountering obstacles, safer for use. The curved surface increased frictions, not easy sliding when tire placed on. Use with multiple applications including snow-mobiles and snow plows. Specification: Condition: 100% brand new Material: solid steel + PP Color: black Quantity: 3pcs Rotation: 360 degree Size: shown as picture Capacity(LB/KG): 1,500Lbs / 680Kg Pacakge Weight: approx.8.2kg/18.1lb Package list: 3 * Wheel Dolly Notes: 1. Please allow 0-0.5 inch error due to manual measurement, thanks for your understanding. 2. It is easy to assemble, but professional assemblage is always recommended.