Sand Gauge

Sand Gauge Close

For classifying sand from coarse to silt.

Flexible, water-resistant plastic card helps determine size classification, bed thickness and roundness of sand granules. Includes field check list to organize field notes; geologic time scale; two carbonate classification charts. Actual sand grains are fused to the plastic.

Dimensions:3 1/2"H x 2 1/2"H x 2 1/2"W with lanyard.