The EGO(R) Kryptek(R) 18" Measuring Board allows you to compare the size of your catches fresh out of the water. This measuring board is made from a 3/8" anodized aluminum plate that is durable enough for lasting use. This Kryptek Measuring Board has an accurate measuring length in 1/4" increments. FEATURES: 3/8" anodized aluminum plate Accurate measuring length (1/4" increments) Durable Model: 75001