Mammut Probe 320 Speed LockExceptionally fast to assemble and easy to use: the Mammut Avalanche Probe 320 Speed Lock is all about speed in the most complicated scenarios. Durable aluminum provides a stable and lightweight construction for the Probe 320 Speed Lock. The glove friendly, high tensile telescopic Speed Lock system is specially designed for a quick, reliable assembly. On extension, an audible click tells you the probe is tensioned correctly and fully engaged. The