Uro Matrix Pos-T-Vac Mach Ring 7 Size, Standard Tension
- Durable tension rings designed to be used with the Erec-Tech vacuum penis pump.
- These superior quality tension rings were designed for your ultimate comfort.
- Made with a soft gel, they are flexible and stretch over the cylinder before using the Erec-Tech vacuum pump and are applied to the base of the penis for a full and satisfying erection.
