Ergonomic Design Ergonomic design, The chestnut has smooth surfaces, anti-slip handle, comfortable and practical, do not hurt you hand when shelling the nut.With leveraged design, it is easy to Make from materials, stainless steel, the chestnut opener is safe, tough and full of durability to use Widely Used Easy cracking nut, Includes pecan, almonds,, brazil nut, and so on Note: may not work for hard black, macadamia and similar hard shell nut sharpen crosses Hard nut can easily peels off the inside of the pulps, combined with the extension of the handle, to open more effort Wonderful gift, sweet warm friend family and yourself