Park Tool has been manufacturing bicycle specific tools since 1963. Based out of St. Paul Minnesota, they are the worlds largest bicycle tool manufacturer. A long-term dedication to quality, innovation, & customer service has made Park Tool the first choice of professional & home bicycle mechanics around the world. Clamping directly onto freshly painted or ultra thin walled frame can cause damage. The ISC-4 will securely hold most bikes without clamping on any frame tube. Key
Features: Hex shaped shaft that resists twisting whilst clamped in the st&. Works with a large range of round set tube sizes from 24mm to 32mm. Simply inserts into the frames seat tube & clamps onto any Park Tool Workst&.