Ortovox 240cm Carbon pfa Avalanche Probe: Avalanche probes are an essential part of every emergency kit. The Ortovox 240cm Carbon pfa Avalanche Probe features the pfa Tensioning System that is fast, easy and secure. Tensioned in a flash in stressful situations to save precious time and easy to disassemble with an easy-to-use quick release, the Ortovox 240cm Carbon pfa Avalanche Probe will be your tool to success when the time for quick and effective action is required.