The HTC 3000 role player Duty Universal Mobile Base is the improve when you need both duplicate carrying capacity and size flexibility. a 700 lb., this base extends from a 14-Inch x 14-Inch row to 22-Inch x 54-Inch in a orthogonal configuration. trailed choose rails to an involve furnish to your machine. horse barn 4-wheel design with foot levers go across machines to the floor.