【ACCURACY】- Accurately measure your dungeness crab in increments of 5.75", 6", 6.25", 6.5" and 7"! Get ready to find the ultimate gauge busters. 【GAUGE COLOR】- Blue body, silver text. Simple. 【MAGNETIC LANYARD】 - If you don't have one of these yet, make sure to get one. It will keep your gauge with you... or not. Easily pull it apart if your buddy forgot his so he's not dragging you around. Better yet, just get him one too! 【MAGNETIC LANYARD SPECS】- Magnet strength is up to 4lbs, you can clip any other accessories under 4 lbs. Max length is about 4ft. 【CATCH MORE CRABS】- I wish! But don't get caught without one of these. The fines aren't worth it. Size matters. While you're crabbing with crab traps, crab snares, crab hawk or hoop nets, you'll need a crab measuring tool to make sure you're well within your state regulations. The crab ruler can accurately measure dungeness crabs up to 7 inches and if they're any bigger that, you have an ultimate gauge buster in your hands!