Frabill 1551 Benchmark Measuring Board, 2.5-Inches Wide by 22-Inches Long, Gold-Anodized Aluminum Finish Allows for quick measurements right after your catch Ideal for measuring the lengths of any fish in freshwater and inshore saltwater Constructed of premium gold-anodized aluminum Completely non-corrosive for heavy-duty use in fresh and saltwater Laser engraved markings every 1/4-inch for accuracy