For sale/wanted (Please be aware of scams) discussion

I’m offering my mint condition Mature Metal Jail Bird for $200, with free shipping included. Ring Style Oval Cage Length 3 1/2” Length Ring Size 2” Ring Cage Diameter 1 5/8” Dia. Cage/Ring Gap 3/8” Gap

A diameter of 1 5/8"?? OMG THAT'S BIG!! It's the same size as mine. Does it take a lock or

...or does it use the security screw?