These rulers come in 50" lenghts for coastal salt / brackish fishing. We monitor State websites for changes to regulations on a daily basis and make updates to these rulers as needed, usually within 24 hours of an official announcement by State authorities. This ruler has a picture ID and size / bag limits of every regulated fish listed in the fishing regulations for your State. Also shows seasons, area specific regulations and more! Unlike similar products that only list regulations for some of the fish in your state, ours has a picture ID and regulations for every fish regulated in your state! Many fish rulers out there are not accurate in their measurements. Ours have been calibrated to make certain that they are extremely accurate so you can measure your fish in confidence. Rugged, quality waterproof decal with UV protectant lamination to hold up to the harshest conditions.