Brunton Grain Size Card | Transparent Plastic | 10 Grain Sizes and compliance with limits for

and compliance with limits for impurities including Chloride

the resonance box ensures long-lasting performance and reliable sound amplification during experiments or tuning sessions

Shallow Design: Wide

chemical analyses

and lapped measuring surface

Brunton Grain Size Card | Transparent Plastic | 10 Grain Sizes and compliance with limits forTransparent Plastic: Durable and clear material for easy viewing of grain sizes and shapes. 10 Grain Sizes: Includes classifications from very coarse to very fine with metric and phi equivalents. Grain Shape Reference: Covers five shapes from angular to well rounded for comprehensive sediment classification. Millimeter Ruler: Integrated ruler for accurate measurement in the field. Negative & Positive Reference Images: Visual aids for easier