material for durability Crafted with quality plastic and stainless steel to provide exceptional hardness and oxidation resistance. Longterm durability with no rust or deformation. Smooth, nonslip handle offers a comfortable grip and protects your hands during use. Effortless peeling with serrated design Crossdesign and sharp serrated edges penetrate chestnuts easily, delivering a clean opening with minimal effort. Ideal for quickly preparing chestnuts for eating; a practical tool for nut enthusiasts. Ergonomic and laborsaving design Ergonomic leverage design makes cracking nuts easy and efficient with minimal effort. Suitable for chestnuts, pecans, almonds, walnuts, and more; a versatile addition to the kitchen. Stable and practical groove design Includes a circular tray to stabilize chestnuts during use, preventing slipping. Safe and efficient for nuts of all sizes; suitable for both adults and children. Use scenarios Preparing roasted chestnuts: quickly open shells to access the kernels without damaging the nuts. Baking and cooking: crack and open mixed nuts (pecans, almonds, walnuts) to ready ingredients efficiently. Family cooking and demonstrations: stable tray and ergonomic design make it suitable for use by kids and adults alike.