The Polar Trailer Dollies allow people to easily move a variety of trailers through tight spaces, into storage or in other situations where you are unable to drive the trailer. Constructed from a heavy duty steel powder coated frame and sealed wheel bearings, this dolly is built to last and to withstand moving a lot of trailers. Includes a 2” ball and coupler. Features Steel powder coated frame Sealed wheel bearings 7” of total height adjustment in receiver ball Easy assembly Receiver set up so you can use the ball or hitch pin Receiver ball can be removed and you can add a ball to other pin hole If you add a ball to pin hole the receiver could be rotated to change the weight distribution 16 x 6.5 x 8 Wheels 1300 pound load rating Comes with 2” ball and 2” coupler The Polar Trailer Dollies allow people to easily move a variety of trailers through tight spaces, into storage or in other situations where you are unable to drive the trailer. Constructed from a heavy duty steel powder coated frame and sealed wheel bearings, this dolly is built to last and to withstand moving a lot of trailers. Includes a 2” ball and coupler and has a built in handle for easy maneuvering. Features Steel powder coated frame Sealed wheel bearings 7” of total height adjustment in receiver ball Easy assembly Receiver set up so you can use the ball or hitch pin Receiver ball can be removed and you can add a ball to other pin hole If you add a ball to pin hole the receiver could be rotated to change the weight distribution Has a built in fold down handle for easy maneuvering 18 x 8.5 x 8 Wheels 1500 pound load rating Comes with 2” ball and 2” coupler