Features: 1) Razor-sharp 2) Re-sharpening available 3) Tapered + hollow grind 4) Mirror finish 5) Material: 440c or 420J2 6) Hardness: 50-54HRC or 55-58HRC 7) Blade length: 30/25.5cm 8) Blade width: 5.2cm 9) Blade thickness: 2.5mm Outer packing: 100pcs/ctn Carton dimensions: 47 x 27 x 25cm (12"); 41 x 26 x 22cm (10") N.W.: 25/24kg (10") G.W.: 27/26kg (12")