Mares Hand Line Cutter, CeramicMares Hand Line cutter is a compact and safe cutting tool with two sharp straight ceramic blade to quickly and easily cut through line and webbing. It was developed for divers, mariners, mountaineers, extreme sports adventurers and rescue service providers who demand a tool that delivers a swift, safe, efficient cut. There are numerous activities from scuba diving to parachuting that require an emergency cutting tool as a mandatory piece of equipment,