CURT 10K-14K ROUND BAR WEIGHT DISTRIBUTION HITCH Levels tow vehicle and trailer by redistributing a portion of the tongue weight Grease zerk fitting provides easy, continuous lubrication Grease must be applied to the zerk in order to lubricate Equipped with round, forged steel spring bars for reliable strength Heavy-duty, fabricated head can be adjusted for precise leveling Features built-in sway control attachment tabs 2" shank can be flipped to provide necessary drop or rise 2-1/2" x 2-1/2" WD replacement shank also available Hookup brackets and lift handle allow for easy leveraging of spring bars Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one-year finish, one-year parts) Important Note: Includes shank, spring bars, head, hookup brackets, pin & clip Trailer ball not included