• A- Length：34 cm  , Blade length：21 cm , Handle length：12.5 cm , Blade width：10.5 cm , Thick：0.30 cm , N.W.：0.600 kg
• B- Length：33 cm  , Blade length：20.3 cm , Handle length：12.5 cm , Blade width：9.2 cm , Thick：0.25 cm , N.W.：0.450 kg
• C- Length：31 cm  , Blade length：18.4 cm , Handle length：12.5 cm , Blade width：8 cm , Thick：0.25 cm , N.W.：0.400 kg
• D- Length：32.5 cm  , Blade length：20 cm , Handle length：12.5 cm , Blade width：5 cm , Thick：0.25 cm , N.W.：0.300 kg

After each use, maintain them properly by promptly cleaning the blade surface to prevent prolonged exposure to acidic or alkaline substances. Always dry thoroughly after cleaning. When stored for extended periods, apply a thin layer of cooking oil. Keep in a dry location. Maintain cleanliness and dryness to prevent rust.