Lever action for effortless cracking: the lever provides mechanical advantage and the serrated jaws grip securely, reducing slipping and making nut cracking easier. Easy to operate and preserves nut integrity: place the nut in the clamping groove, adjust if needed, and press the lever to crack without damaging the nut meat. Broad compatibility: suitable for nuts of various sizes including macadamia nuts, almonds, walnuts, black walnuts, chestnuts, and similar nuts. Durable stainless steel construction: the manual nutcracker pliers resist deformation, are sturdy, and designed for long lasting use. Use scenario 1: at home, quickly crack macadamia nuts for snacks, baking, or garnishes with minimal effort. Use scenario 2: during meal prep or entertaining, open chestnuts and other nuts for roasting or plating with clean results. Use scenario 3: prepare mixed nuts for gifts or parties, delivering consistent openings without damaging kernels.