P.E.C.K. CRKT5520 Blade: Length: 1.75 (4.4 cm) Thickness: 0.10 (0.25 cm) Steel: 420J2, 54-56 HRC Closed: Handle length: 2.625 (6.7 cm) Open: Overall length: 4.25 (10.8 cm) Weight: 0.9 oz. (26 g).