This multi-ball towing hitch offers tons of drop-hitch height-adjustments that come in 1" increments. This way, you'll be better able to line up your vehicle height with your trailer height for extra towing safety. Product is made of brushed aluminum, and the 2" and 2-5/16" tow balls are made of stainless steel. For theft protection, the Weigh Safe LTB 180 adjustable trailer hitch comes with a keyed-alike locking pin and 2 keys. Kit includes: drawbar, 180 slider, combo ball, key lock assembly, ball-retaining pin, dust lock cover, locking pin, and 2 keys. V5 and J684 certified.