These compact rod saws are a valuable component of your escape & evasion gear. Included are 4 saws; 2 are diamond grit and 2 are tungsten carbide. Both types can take on the hardest of metals and even glass. Each saw is 3” in length, small enough to provide discreet location options. Thin, lightweight, covert. A safe storage expandable case is included. Diameter: 0.09” (diamond), 0.10” (carbide). Weight (including case): 0.37 oz.