TMS 4 Bike Swing Down 2" Hitch Mount Carrier Bicycle Rack Car SUV Vans Swing down feature allows access to the rear of your car, SUV or vans Strong steel tubing with black powder coating for durable outdoor use Rubber securing channels to prevent scratches Two plastic tightening knobs with punched holes to lock bikes(lock is not included) Fits into 2" Class III and IV Trailer Hitch Receiver