Puma Duke in Stag, gently used Description Blade length: 82 mm / 3.23″ Blade thickness: 3 mm / .12″ Length closed: 110 mm / 4.33″ Knife weight: 120 g / 4.23 oz. Scales: staghorn German Steel Blade / hardness: 440A / 55-57 HRC Rockwell Tested and Proofmarked Design: PUMA