Drivable and steerable dollies Drive on grass, pavement, gravel, and dirt up to 5 MPH Protects trailer beds, ski runners, driveways, garage floors, and your back Free swivel track dolly allows you to spin the back around 360 degrees Premium grade real rubber wheels Features a superior cotter pin assembly to ensure you never lose a wheel Accommodates all skis up to 7-inches wide Everything in picture is included - assembly required Includes 2 front ski dollies and 1 rear swivel dolly