If your chastity cage is in need of a little TLC, why not replace a few parts to give it that much needed upgrade without the cost of buying a whole new cage? This section is the CB-X base which sits at the top of the cage to hold the U-ring in place. Worn on the top of your penis, this part slots onto the base with pins to hold the U-ring in place. It features 3 x pre-made holes which perfectly accommodate the main base's pins and a locking pin reliably hold everything together. Made from medical-grade polycarbonate, it's is durable, body-friendly and easy to clean and care for. Please note: This is for a spare base only and cannot be used on its own. You must already own a full CB chastity device to make use of this product.