PosTVac Mach Ring #8 Xlarge

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′).