IST Ceramic Line Cutter Dive Knife The IST Ceramic Line Cutter is a rust proof cutting tool with ceramic blades that are both sharp and corrosion resistant. Brightly coloured the line cutter is easy to see and manage in the water. Guards over the blades mean you can\'t cut yourself or gear accidentally while making the blades very efficient at cutting lines as they get trapped and pushed against the blade. Features Lightweight and compact design for easy mounting / configuration Ultra-sharp ceramic blades provide less effort and smooth cutting High impact resistant Polycarbonate body provides excellent protection to the ceramic blades for long-term use Two sided ceramic blade design for fast and easy cutting Included high quality nylon sheath with vertical and horizontal mounting options for harness, BCD or weight belt, up to 50mm (2.0”) webbing Velcro sewn hand strap on cutter handle provides quick and easy lock and release actions underwater for emergency use