High quality high hardness zinc alloy super strong reinforcement not easy to deformation Sawtooth design It can firmly clamp the goods not easy to fall off can be better stressed easily crumbled hard shell food Nonslip handle Handle with anti slip design good grip and dont hurt your hands The edge is very smooth and will not hurt the palm of your hand when you force it 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 is safe and convenient can save time and effort