Urethral Chastity Cages Sissy Lux Ultra Urethral Standard Chastity Cage Urethral Tube Chastity Cage SQ130 SMBSM Urethral Chastity Cage Wear: The Safest Practices KeepMeLocked. The Ultra Urethral Standard provides full penis encasement. The Ultra Standard provides full length encasement with the extra pleasure of a fixed urethral tube with 6 ventilation holes. The Ultra Standard has a dome shaped head with 8 small holes punched into the steel allowing the wearer to relieve themselves without having to remove the device, there are also 2 circular rings making up the main body of the chastity cage which attach to the base ring and it is all fixed in place by an external padlock. So, if you like to control your erections and want to do so for an extended period of time and still be able to relieve yourself then The Ultra is for you. Chastity Cage Dimensions: Length 50 mm 1. 968" Diameter 35 mm 1. 377 Ring size: 3 sizes to choose from (40 mm 45 mm 50 mm), you can choose only one ring from these sizes. The set includes: 1. 1 x cage 2. 1 x base ring. 3. 1 x urethral tube 4. 1 x external brass padlock with two keys. Material: Stainless Steel