Tow Tuff makes moving your trailers easy with the TMD-600AFF Adjustable Trailer Dolly. This trailer dolly allows you to easily move most 2 wheeled trailers. The ball height is adjustable from 15 3/8" to 24 3/8" to fit a wide variety of trailers, and the dolly can hold up to 600 lbs. of tongue weight, giving you a powerful dolly that can safely handle your various trailers. Constructed of heavy-duty steel with a hammer tone, powder-coat finish, this dolly is built to be durable and reliable. The 10â flat free tires give the trailer dolly easy mobility and require no maintenance. The 41â handle even gives you additional leverage to make moving trailers a breeze. Included with this Tow Tuff dolly is a 1 7/8" hitch ball for simple attaching. The patented, exclusive design is ideal for moving trailers easily. 10â flat free tires for easy mobility and little maintenance Constructed of heavy-duty steel for a durable and reliable build Handles up to 600 lbs. of tongue weight for use with a variety of trailers