Aluminum Probe 300: We hope the only thing you need to use an avalanche probe for is to collect snow pit data and identify crevasses. Unfortunately, emergencies do happen and in the case of one, you want to have the best available equipment on the market. The K2 Aluminum Probe 300 is lightweight, durable, and quick to assemble. In a life or death situation, it is not worth having anything shy of the top of the line equipment that K2 offers.