Thank you for viewing! This is a dedicated shell cracker designed to easily crack macadamia nuts, which are said to be the hardest nuts in the world. It is a genuine product from NIDAF JAPAN and is very robustly built. Simply set the nut and turn the handle to crack it cleanly with little effort. 【Product Details】 • Product Name: Macadamia Nut Shell Cracker • Seller: NIDAF JAPAN Co., Ltd. • Accessories: Instruction manual included • Condition: New, unused (There may be some minor scratches on the outer box due to storage) 【Recommended Points】 With this, you can enjoy macadamia nuts without stress, even though they are too tough for commercially available nutcrackers. How about it for snacks or confectionery? Immediate purchase is OK! We will carefully pack and ship it.