I literally just purchased this and it is too small for me. This cage comes with two security screws and two keys. You can use a padlock instead of the security screw if you prefer. Cage Dimensions Flaccid Penis Length: 2 1/4 inches Cage Interior Diameter: 1 1/8 inches Base Ring Style : Oval Inner Diameter: 1 ¾ inches Ring to Cage Gap: 3/8 inches Cost - $175 or best offer U.S. Only. Pay by Paypal