: high hardness aluminium alloy, super strong reinforcement, not easy to deformation.Sturdy structure and quality material, it won't break or deform in daily use.Sawtooth design: It can firmly clamp the goods not easy to fall off, can be better stressed, easily crumbled hard shell food.Non-slip handle: Red handle with anti slip design, good grip and don't hurt your hands; It can minimize your hands to contact with the nut.Durable and practical: core sucker design is very flexible, It can expand 180 degrees arbitrarily, Easy to carry, easy to clean.Two kinds of sawtooth: big and small nut can be crushed at the same time, It breaks the hardest nuts and seafood easily with the serrated edges.It is safe and convenient, can save time and effort.