Used "The Equilizer" brand Wt Distribution System

The Equilizer brand tunnion style weight distribution systems with built in 4 point sway control

Lightly used trunnion style"The Equilizer" brand weight distribution system with 4 point sway control with 2 5/16" ball and standard shank.  Weight rating 1000#s hitch weight/10,000#s towing weight.    Not familiar with the design and operation of the popular "The Equilizer" 4 point sway control hitch?  Check this info out! https://www.equalizerhitch.com/how-equalizer-works
Cost new $765.00.

Asking $400.00  Reasonable offers considered.