Lightly used MM jailbird. Includes 2 different ring sizes with different gap sizes. This model has the security screw option and includes one key. A padlock will work too if you prefer. The device has been thoroughly cleaned and sterilized. Ring Styles : Oval Ring 1 : 2 inches, Gap 3/8 inch Ring 2: 1 5/8 inches , Gap 1/4 inch Cage diameter 1 1/4 inch , Length 2 1/2 inch Includes shipping via USPS to lower 48. Payment is by PayPal. US sales only. $175 OBO