Quick-adjusting aluminum locking ball mount comes with dual hitch balls that make towing different trailers a snap. Just unlock and flip over to change the hitch ball. Stainless steel integrated lock pin system gives you maximum theft protection plus the convenience of no separate hardware. Precision machined from aircraft grade billet aluminum with hand polished finish that looks great on your truck. Includes two barrel style keys. 1, 500 lb tongue/10, 000 lbs trailer. | Fastway Flash 2.5" Shank 6" Adj Dual Locking Aluminum BM 2" & 2 5/16" Chrome Balls