LEATHERMAN Knife k502x Straight Edge w/7pc Bit Kit Gray Nylon Sheath Box Model # 830337 Blade opening: Thumb stud. Blade material: 154 CM Lock mechanism: Lockback. Closed length: 4.5" Open length: 7.6". Blade length: 3.1". Weight: 7.2 oz., 204 grams Blade grind: CNC flat. Blade finish: Polished and ground. Blade style: Straight edge (k502x), combination straight and serrated (k503x)