Rockerball 2-5/16in. Cushion Hitch Ball (1-1/4in. Shank, 12,000 Lbs)

Dynamic trailer ball featuring ShockDrop technology Dampens jerking and jarring from bumps and potholes for smoother towing Cushioned isolators reduce rattling and vibration for a more comfortable ride Reduces shock loads to the vehicle during sudden braking or acceleration Minimizes stress on tow vehicleft.s suspension and brakes for extended longevity Retrofits onto most existing ball mounts to improve current towing experience Virtually maintenance-free with no airbag or bearings to service Grease zerk fitting provides easy lubrication Anti-swivel base fits 3in. wide ball mount tongues with 1-1/4in. diameter hole Forged steel construction for dependable towing power Durable carbide black powder coat finish on base and chrome plating on ball Standard trailer ball diameter fits 2-5/16in. couplers Rated for 12,000 lbs. gross trailer weight Tested for safety to meet SAE J684 specifications Limited lifetime warranty (one-year finish, one-year parts) Notes:Ball mount sold separately (not compatible with Rebellion XD ball mount)Patent# 11,192,408The mounting platform must be at least 3/8in. thick and the hole size must not be more than 1/16in. larger than in diameter than the threaded shank.