Commonly used for chestnuts, walnuts, white truffles, and hazelnuts, this tool is a practical everyday device for families and a timesaving accessory for bakeries, restaurants, and candy shops. Lever action design with a solid spring fixes the opening state of the opener, reducing effort and making shelling more efficient. After roasting or cooking, the shell opens and peels away easily. Durable and easy to use, it will not deform or corrode with long term use. The tool features a lever driven opening mechanism that is simple to operate. The solid spring holds the opening steady, saving labor and making shelling more convenient. After baking or cooking, the shell splits and peels away readily. Comfortable and practical, it is gentle on hands during shelling. The design preserves hand safety with smooth handling and a burr edge. temperature resistance, round edge, and burr construction support safe and reliable use. Compact, sturdy construction and durable performance make it suitable for various kitchen settings and nut sizes. Use scenarios Home kitchen: crack and peel roasted chestnuts for seasonal dishes or snacks, with minimal effort and minimal mess. Bakery or candy : quickly prep roasted nuts for pralines, toppings, and confections, saving time in nut processing. Restaurant: prepare nut garnishes for desserts or sauces, providing consistent results with reduced manual effort.