Kasstino Creative Stainless Steel Nut Cracker Spring Sheller Walnut Pecan Cap Opener Tool This cracker is an all steel machine, stabilized by a stainless steel base and an easy-to-use soft plastic round ball. It features a spring loaded hinge, more easy to crack the nuts. The spiral spring is adjustable to fit a wide range of nuts, such as walnut, small walnut, pecans, macadamia and hazelnut. With this innovative design, you will save time and efforts preparing your favorite nuts. Handle is well-balanced and ergonomically designed, for comfortable and smooth operation under heavy use.