Made of food grade stainless steel, made of high quality 304 stainless steel, the can opener is safe, strong and durable and has a long service life without deformation and corrosion. Miscellaneous hard serrated nuts can also be easily torn from the inside of the tie rod, combined with the handle extension, open more power. Easy to use: the use of design, user-friendly and economical , makes your life convenient. Exquisite craftsmanship: smooth and serrated design can easily handle all kinds of nuts. Ergonomic design: the chest has a smooth surface, a handle non-slip, comfortable, convenient, and won’t hurt your hands when grinding nuts.