源助久 日本鋼 つば付 牛刀 210mm Minamoto Sukehisa Japanese Steel Tsubatsuki Gyuto

[ Safety Precautions and Care Instructions ]
・Wash with dish soap before use.
・This is a cutting tool. The blade is sharp, so please handle with extreme care to avoid touching it with your fingers.
・This product is a kitchen knife. Do not use it for any purpose other than cooking.
・Do not use the knife if the handle is slippery due to oil, detergent, or other substances.
・Use on a stable cutting board or surface.
・Do not expose the blade directly to fire or heat, as this may cause the blade to lose its hardness (temper) or result in damage, rendering it unusable.
・Avoid subjecting the knife to sudden impacts, as this may cause the blade to chip, break, or crack.
・This product is not suitable for dishwashers or hot-air dryers.
・Do not place the knife in a microwave or oven to dry it.
・Do not forcefully pry or cut hard items, such as frozen foods that are still partially frozen. This can cause breakage or injury and is extremely dangerous.
・Do not leave the knife near a heat source or submerged in water for long periods. This can cause mold, rot, warping, or cracking.
・After use, wash thoroughly, wipe off all moisture and dirt, and store the knife in a dry place.
・Even sharp blades lose their edge slightly with each use. Please resharpen them with a whetstone.