Korkers® Triple Threat™ Aluminum Hex Discs provide a combination of biting edges and soft aluminum that morph to surrounding geology, creating a positive grip in rugged, rocky terrain. Customize your soles for your particular needs, even mixing and matching spikes with hex discs or bars. Triple Threat Component Set Package includes 40 discs and screws *Only compatible with Korkers Triple Threat Sole Platforms Korkers Triple Threat Aluminum Hex Discs