These patented tension rings are medically engineered for safety, performance and comfort. The unique upper extruding bumps are positioned to press against the veins that maintain an erection. The lower urethral notch allows for ejaculation. The rings may be used individually or in various combinations to maintain an erection created by the Vacuum Pump. The User Guide details seven possible combinations to accommodate a wide range of penile girths. Rings are latex-free and should be replaced every six months, pending usage. 

Timm Medical, the manufacturer does not provide replacements for retailers or the end user, including broken handles. This product is purchased at your discretion.  

Manufacturer: Timm Medical, AKA Osbon Medical, Timm Osbon, Osbon Erecaid    

 Timm Medical the manufacturer will not replace broken bands for resellers or end users.

For a better value alternative: Ultimate Round Rings Last Longer and more comfortable, also Try Silicones Bands. Last longers with a lower Price

How to determine ring size:

All Rings are interchangeable with any device and the inside diameter of the ring doesn't matter, since they all have to stretch onto a cylinder that is over 2inch in diameter.

Trying to determine the size of your penis versus the size of the ring is pointless. Tension needed is based on blood flow, therefore everyones level of tension is different in order to hold the erection. If you are larger in diameter start with the larger rings and work your way down until you find which holds the best for you. 

These rings come in 2 sizes either Large or Medium and the color represents the degree of tension.  

Pink is High Tension which comes in either Large size B or Medium size D

Beige is Standard Tension which comes in either Large A or Medium C

Gray is Low tension which comes in either Large B or Medium D