With its patented, integrated razor blade, the SharkTooth Line Management System is an innovative tool no angler should be without. Keep all your line spools organized and accessible without tangles or loose ends. Blade is razor sharp and made of corrosion-resistant stainless steel. Quick and easy to place on spools and cut the exact length of line you need. Cuts monofilament and fluorocarbon up to 50 pound test. 3 line cutters per pack.