The aluminium crystal card provides a surface to analyse/classify snow grains and also has a slope index, which allows you to determine slope angles from a topographical map. This small yet very informational tool will take your snow safety skills to a new level.
An affordable snow analyser
BCA designed its snow study tools in conjunction with North America's most experienced avalanche educators. BCA snow study tools allow you to gather all of the data you need, without breaking the bank.
Take a look at our Avalanche Safety Gear Guide for more information on the kit you'll need.