This is the Tusa Imprex X-Pert II Titanium Drop Point Dive Knife with Sheath and Leg Strap Features: 6-4Ti (Ti-6Al-4V) highly corrosion resistant titanium drop point blade Newly designed ergonomic grip with counterweight Includes a serrated edge plus a line cutter Single button sheath lock release Easy-to-adjust buckle and strap allow for a comfortable fit Disassembling capability for easy cleaning and maintenance Efficient 4 1/2 / 11cm length blade 10" / 25cm overall length Colors: Metallic Red (MDR), Metallic Silver (MS) The FK-940ti X-Pert II knife is made from high quality Ti-6Al-4V titanium and can be easily disassembled for cleaning and maintenance. "