HELPS PREVENT TRAILER SWAY: Only trailer hitch ball mount that accurately measures tongue weight. Through Patented Technology, Weigh Safe Hitches include built-in scales that allow you to safely load and tow any trailer.ADJUSTABLE BALL MOUNT: Our 6" drop hitch adjusts in 1" increments so you get the perfect fit every time for any trailer height. It's secured by a Dual Pin Lock that locks your slider to your drawbar. HEAVY-DUTY TOWING CAPACITY: Made of 18 lbs of Aircraft Grade Aluminum & Stainless steel, with an industry leading towing capacity (GTW) of 12,500 lbs. Our ball mount is as tough as they come. TWO CORROSION RESISTANT STAINLESS STEEL HITCH BALLS: Switch from a 2" tow ball to 2-5/16" tow ball in seconds. High-Strength Stainless Steel provides strength and corrosion resistance.