Do to an error in measuring I am selling my Jailbird. It was purchased in October 2016 for $450.00. It can be locked with both security screw and padlock. That way the keyholder never needs to worry about the screw coming loose. You still cannot get out. Every thing is included: Base Ring, Cage, 2 Security Screws And Padlock. The Specs are: Base Ring 1 3/4 inches Cage Length 1 3/4 inches Cage Diameter 1 1/4 inches Cage Gap 3/8 inch Well sell for $350.00 and ship immediately upon payment through Paypal. Shipping included in US.