CURT 45840 - CLASS 3 BALL MOUNT (2" SHANK, 7,500 LBS., 2" DROP, 10-1/4" LONG)CLASS 3 BALL MOUNT (2" SHANK, 7,500 LBS., 2" DROP, 10 1 4" LONG) Fits trailer hitches with a 2" x 2" receiver tube opening Equipped with a 1" hole to accept a trailer ball shank 3 4" rise or 2" drop for precise trailer leveling Hollow shank weighs less and can be used with an anti rattle kit CNC formed, robotically welded and mechanically descaled for a perfect fit Protected by a durable powder coat finish Limited lifetime warranty (one year finish,