
It's a Class 4 (!) so it must be pretty beefy. The 2 inch drop model is US$70.
"When the lever is rotated to the upright position four lifters extend from within the ball mount walls. The four lifters then engage the inner walls of your receiver hitch locking the ball mount in place stopping all movement and related noise."
Products
I think it's way cool.....though I wonder how it will hold up long term.
John Davies
Spokane WA