Motorcycle Scooter Dirt Bike Carrier Hauler Rack Ramp - Closeout Constructed from lightweight aircraft aluminum which means no rusting. Easy loading ramp loads from either side. Our Anti-wobble uses 3 locking screws to prevent wobble. Some of our competitors use only 2. This unit works great for Pick up trucks, Campers, RV's , Vans, and SUV's Fits in a 2" square class II, III, IV, or V - trailer hitch.