Mach Rings. Thick centre, creating more tension than the PTV Ultimate Rings. Designed for Pos-T-Vac Ring Loading System.
May be used with the ErecAid Systems – manual loading only. Do not use with the ErecAid Ring Loading device. Stretch onto cylinder with fingers and thumbs.
PTV Mach #8 – XLarge 13.9mm (.546′).

Osbon B Ring – Large, High Tension Ring, Pink
Osbon C Ring – Medium, Standard Tension Ring, Beige
Osbon EZ Tension Ring (Number 5)
ErecAid Esteem Manual Handle
ErecAid Cylinder Insert - Small



