Enjoy better comfort and control while you tow with the Curt 40249 Rockerball Shock Absorbing Hitch Ball. With ShockDrop technology and a cushion isolator, the Rockerball will absorb and reduce rattling and jerking as you tow, providing a smoother ride and better vehicle-trailer control.

• Reduces jerking and jarring movements of your trailer at the coupler point.
• Reduces the stress on your vehicle, receiver hitch, brakes, and suspension system.
• Low maintenance; no airbags or bearings.
• Grease should be applied to the integrated zerk fitting as needed for smooth operation.
• Retrofits onto most ball mounts, any mount with a 3" wide ball tongue platform, and a 1-1/4" trailer ball hole.
• The anti-swivel base keeps the hitch ball oriented and secured when fully torque.
• Forged steel construction for superior strength with a powder-coated finish base.
• Chrome-plated hitch ball for weather resistance.
• Standard trailer ball diameter fits 2-5/16" couplers.
• Shank Diameter: 1-1/4"
• Shank Length: 2-7/8".
• Gross Trailer Weight (GTW): 12,000 lbs.
• Tongue Weight (TW): 1,200 lbs.
• Torque Specs: 450 ft-lbs.
• Tested and meets SAE J684 specifications.
• Note: ball mount not included.
• Weight: 5 lbs.
• Includes (1) trailer ball assembly, (1) anti-rotation base plate, (1) 1-1/4" lock washer, and (1) 1-1/4" hex nut.
• Limited Lifetime Manufacturer Warranty (1-year finish, 1-year parts).

Important Note: The mounting platform must be at least 3/8" thick, and the hole size must be no more than 1/16" larger in diameter than the threaded shank.