Tow Tuff TMD 600AFF Adjustable Trailer Dolly is quite a doll when it comes to helping you move really heavy things in your life. The TMD 600AFF has a 600 pound capcity to move a heap of different sized trailers on its 2, 10 inch flat free tires for a free and easy time down the road you go. It's constructed of solid steel with a 41 inch handle, and a 1 7/8 inch hitch ball to vibe with your 1 7/8 inch coupler or larger. It's safe to say this heavy trailer dolly will be a friend that is always there for you. You and this Tow Tuff TMD 600AFF Adjustable Trailer Dolly will make an amazing team. Name a more iconic duo than that, we'll wait.