Pro lift heavy duty car wheel dollies - up to 12 inch wheel Width and 1000 lbs. capacity. Pro lift T-3310 car Dolly is built in the tough metal tray and coated in rust-resistant finish. The steady structure features a heavy load with the capacity of 1000 lbs. It is designed for up to 12 inches wheels to safely maneuver or position a vehicle. (The product shall be used in pairs for a given axle.) All castors swivel 360 degree freely to easily move most vehicles in a limited space for repairing purposes.