Convertech's Pneumatic/Mechanical or Mechanical Concentric Shafts assure a smooth running core. Your core is held in place by your choice of leaf or lugs depending on the application - a truly custom shaft that fits your purpose, not someone else's.
Convertech Concentric Shafts provide exceptional concentricity and control, without a bladder.
Convertech's Concentric Shafts reduce reset time and insure concentricity by eliminating wearable and inconsistent bladder parts. The core is held in place by your choice of leaf or lugs depending on the application. This advanced design insures a precise and concentric roll every time.