Product name: Multi-purpose Cutter Knife length :295 mm Blade length :172 mm Blade thickness :2 mm Hardness : 58-60HRC Weight :0.288 kg Packing: gift box Uses: cutting meat, vegetables, fruits, fish and so on. How should the knife be maintained? 1 separate use of different function knife can extend tool life 2 After use, clean it, dry it and store it to avoid rusting. 3 Do not touch acid and alkaline substances. If you accidentally touch it, clean it in time. 4 Store in a dry and ventilated place, away from fire 5 Regularly grind the knife to restore the sharpness of the blade 6 Improper maintenance may cause rust spots