You can find this product atSNC Automotive:

Upgrade your towing experience with the CURT Rebellion XD ShockDrop Ball Mount. Featuring ShockDrop technology, this ball mount reduces jerking, jarring, rattling, and trailer sway, providing a more comfortable and controlled ride. It also includes a tongue attachment and tow ball for added convenience and versatility. Stay in control on the road with the CURT Rebellion XD.

Additional:

• 152mm Maximum drop
• Rated 4,500kg hitch