BA-30 Lock Mechanism:yellow lock cylinder as picture shown Make sure the key option

Make sure the key option you order would be matched to your cage's lock

but even if the measurement instructions are read

the vibration stimulus cannot be transmitted to the glans

Hook Gauge option:2mm

BA-30 Lock Mechanism:yellow lock cylinder as picture shown Make sure the key optionMaterial: Stainless Steel Titanium The below sizes are must needed for custom: 1. Cage Tube Overall Length 2. Penis Tube Inner Diameter 3. PA Gauge(if you need 2 different gauge PA hook,select "with 2 different sizes PA hook" to place order) 4. PA Depth For other size details or style details,specify in the textbox when place order. (1cm=10mm=0. 4inch)