Curt Manufacturing 17062 MV Round Bar Weight Distribution Hitch Kit Levels tow vehicle and trailer by distributing a portion of the tongue weight Includes a sway control kit #17200 to help reduce trailer sway Equipped with round, forged steel spring bars for reliable strength Heavy-duty, fabricated head can be adjusted for precise leveling. Compatible with CURT MV round bar WD hitches 17050, 17051, 17052, 17057, 17062 or 17063 Grease zerk fitting provides easy, continuous lubrication