BCA Crystal Cards - Aluminum

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The aluminum crystal card provides a surface to analyze/classify snow grain 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.

  • Dimensions: 6 x 4 in (15 x 10 cm)
  • 1, 2, and 3 mm grids
  • Protective clear coat
  • Crystal and snowpit 'cheat sheets'
  • Weight: 1.7 oz (48 g)