Adjustable Trailer Hitch, Fit for 2 Inch Receiver, 4/-Inch Drop/Rise, Aluminum Drop Hitch, 20000 LBS GTW - Tow Hitch for Trailer, Stainless Steel Tow Balls (2" & 2-5/16") with Double Locks

4" Adjustable Ball mount: This trailer hitch is designed for 2" receiver, so you should confirm the size of trailer hitch receiver before buying. The integral dual-ball design makes two tow balls (2" & 2-5/16") be fixed together firmly. And it allows for a rapid 4" height adjustable for drop and rise, which lets you tow trailers of different heights with the same vehicle. Safety & Anti-theft Features: For the safety reason, each adjustable trailer hitch equip with a combination of two sets of locks and keys, so that the ball mount platform can't be removed when tow is installed in the hitch and get better protection.In addition, the integrated dual ball design is difficult to fall off and reduces vibrations, noise and rattling when towing, unlike the independent design of others. Humanized Design: The link part diameter, which connects balls and other auxiliary parts, is 50mm. It is longer than 22-24mm in the market, which makes it more powerful. The tow balls offer an industr