Korkers OmniTrax 3.0 Triple Threat Aluminum Hex Disc SolesKorkers OmniTrax 3. 0 Triple Threat Aluminum Hex Disc Soles, Sticky rubber V3 Omnitrax removable outsoles with over molded threaded stainless steel receptacles with Korkers proprietary bolt on Aluminum Hex disc traction enhancement spikes. Aluminum Hex discs offer a combination of biting edges and soft aluminum that grip rocks in rugged, rocky terrain. ALUMINUM HEX DISCS provide a combination of biting edges and soft aluminum that morph to surrounding