The Korkers OmniTrax V3.0 Triple Threat Aluminum Hex Disc Sole is a customizable sole for endless configurations with spike, bar, and hex disc traction systems. This sole features a sticky rubber outsole with over-molded threaded stainless steel receptacles to accept proprietary bolt-on traction enhancement system. Choose one sole with its traction option, then add the components from the other two for a complete set. Aluminum Hex Discs allow for a combo of biting edges and soft aluminum that conform to the surrounding terrain giving a positive grip in the most rocky terrains.