Sledez Drive on Drive Off Snowmobile Dolly or Dollies with Four Three Inch Swivelling Casters Adjustable for All Snowmobiles Adjustable To Fit All Snowmobiles! *No Lifting Snowmobile Does All The Work Not Your Back! *Saves Your Garage Floors From Picks And Carbides! *Four Heavy Duty 3" Swivelling Casters! *Saftey Rope For Unloading! *Double Wall Plastic With Steel Reinforcements Inside The Plastic!