High Quality Material: Made of food grade stainless steel & silicone ( BPA free ), tough and easy to use, without deformation after using for a long time. Cross ShSpring Rebound Design: Labor-saving lever design, built-in spring, using pressing operation, you can handle the nut cracker with one hand. Watch the instruction video!arp Serration: Evenly serrated, can easily cut through the hard chestnut shell. The orange silicone non-slip buffer can prevent your chestnut flesh from cracking. You need it to help you make roast chestnuts. Spring Rebound Design: Labor-saving lever design, built-in spring, using pressing operation, you can handle the nut cracker with one hand. Watch the instruction video! Humanized Design, Easy to Carry: Intelligent lock design is easy to storage and saving space. It is also a sturdy beer bottle opener with a smiling face. Ergonomic Handle - Comfortable grip, smooth surface without hurting your palm, easy to clean, convenient and labor-saving, no fatigue after long use.