Extrema Ratio BD4 Lucky Black 4.84" N690 Folding Knife Squeezing the closed blade also

Squeezing the closed blade also extends a retractable carbide glass breaker from the butt end of the handle to break windows safely and efficiently

Weight: 4 oz

Despite its compact dimensions

into an easy to carry

Extrema Ratio BD4 Lucky Black 4.84" N690 Folding Knife Squeezing the closed blade alsoBD4 LUCKY is a linerlock folder with double guards flipper opening and part serrated blade. It reminds the classic Italian style with an elegant and functional shape. Weight g.: 137 Weight oz.: 4,83 Blade Length (mm): 123 Blade Length (in): 4,84 Total Length (mm): 280 Total Length (in): 11,02 Blade Thickness (mm): 3 Blade Thickness (in): 0,11 Blade Material: BHLER STEEL N690 (58HRC) Blade Finishing: MIL C 13924 BURNISHING Main Grind: FLAT Serration