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Hero image 0 of Brunton Grain Size Card, 0 of 3

Brunton

Brunton Grain Size Card

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Key item features

Pocket-size, ultralight: Compact card measures 2.5 × 3.675 × 0.06 in and weighs ~0.2 oz—slides into a wallet, vest, or field pouch for instant access.
Waterproof & durable: Clear, rigid stock stands up to weather and hard field use so your reference stays readable season after season.
Read it your way: Transparent positive and negative sides make side-by-side comparisons faster when classifying sediments.
Complete on-the-spot ID: 10 grain-size classifications (with phi scale), grain-shape reference, and an edge millimeter ruler support quick, consistent calls.

Specs

Brand
Brunton
Material
Card stock
Color
Clear
Dimensions
9.00 x 6.00 x 0.50 in
Weight
0.05 lb
Model
F-GRAINCARD

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About this item

Product details

Built for fast, consistent sediment calls in the field, the Brunton Grain Size Card packs a full visual toolkit into a wallet-size, weatherproof reference. The transparent card includes 10 grain-size classes with phi equivalents, a grain-shape guide, and a millimeter ruler, letting you classify and document samples on the spot. Its positive/negative sides improve contrast when comparing grains, while the rugged, waterproof design shrugs off wet days and rough handling. At just 2.5 × 3.675 × 0.06 inches and ~0.2 oz, it’s small enough to live in your pocket but complete enough to standardize your notes across crews and seasons—supported by Brunton’s USA manufacturing and training resources.

Pocket-size, ultralight: Compact card measures 2.5 × 3.675 × 0.06 in and weighs ~0.2 oz—slides into a wallet, vest, or field pouch for instant access.
Waterproof & durable: Clear, rigid stock stands up to weather and hard field use so your reference stays readable season after season.
Read it your way: Transparent positive and negative sides make side-by-side comparisons faster when classifying sediments.
Complete on-the-spot ID: 10 grain-size classifications (with phi scale), grain-shape reference, and an edge millimeter ruler support quick, consistent calls.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Brand

Brunton

Material

Card stock

Color

Clear

Dimensions

9.00 x 6.00 x 0.50 in

Warranty

Warranty information

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