PosTVac Mach Ring #6 Medium

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 #6 – Medium 8.8mm (.347′).