Tusa X-Pert II Titanium with Line Cutter and Serrated EdgeThe Tusa X Pert II Titanium with Line Cutter and Serrated Edge is a scuba knife built from highquality Ti 6Al 4V titanium, offering excellent corrosion resistance in challenging saltwater environments. The 4 1 2" (11 cm) blade provides a practical cutting edge, while the 10" (25 cm) overall length delivers reliable reach for diving tasks. The knife is designed to be easily disassembled for thorough cleaning and maintenance, helping to extend its