Geotechnical Gauge Reference Card is the ultimate field companion for engineers and geologists. Engineered for accuracy, the reference card is a comprehensive, pocket-sized toolkit that streamlines your fieldwork. This reference guide features a number of soil, clay and sand classification tables. Six, Munsell soil colour boxes and a cm and inch scale. Measuring 127 mm x 177 mm and a nylon cord to prevent loss. Printed on a waterproof plastic card for use in any weather condition.
