CURT 45364 - 2-INCH ALUM. BALL MOUNT 3-1/2 INCH DROP2 INCH ALUM. BALL MOUNT 3 1 2 INCH DROP Lightweight, corrosion resistant billet aluminum construction for easy handling Adjustable dual ball allows for quick and precise trailer leveling on the go Provides max drop of 3 1 2" and is easily adjustable in increments of 1" Universal design works with 2" hitches for multiple vehicle trailer combinations Fits 2" x 2" hitch receiver tube opening with 5 8" hitch pin hole Compatible with hitch locks #23556 and