Put your man on lock down with this great chastity device Made to be functional and inexpensive, this device will encase his penis in a metal cage. For a secure fit, the locking leather cock ring at the base of the device is adjustable. Measurements: 4.25 inches in total length, cage measures 2.125 inches, and approximately 1.125 inches in diameter for head ring. Includes three locking size adjustments from 1.75 inches to 2.5 inches in diameter. Note: For optimum security, we encourage the use of a lock. Lock Not Included.