Features include pre-attached grease fittings on the ball mount spools to lubricate the spring bars and eliminate messy grease cans. Powder-coated gray and black vein finish for attractive looks and years of durability. Mounting accessories are zinc-plated gold color. Built-in dual sway control ball plates eliminate welding ball plates to trailer frame. Heavy-duty spring bar locking devices create the strongest locking system in the industry. Raised ball washer for increased coupler clearance. Large cut-out accepts all sockets and wrenches for easy tightening of hitch ball. Hitch balls not included. Priced each.