The Schwartz Tactical Lifeline compact EDC (Every Day Carry) Neck Knife is available in four blade configurations- Dagger, Spear Point, Drop Point and Tanto.  Each configuration is constructed from carbon fiber and has a 6Al-4V titanium cutting edge. Both varieties have an overall knife length of 6.75" and the blade length is 2.875".  The titanium blade is reinforced with tungsten carbide to provide a incredibly sharp and durable cutting edge.  With the holstex sheath, each blade configuration weighs a scant 2.3 oz.