刀头采用65#锰钢,特殊热处理,硬度HRC54-56. 贝壳外型磨刃方法,最大剪切直径18mm. 手柄采用45#钢锻压,表面喷漆后PVC浸塑,附锁扣功能。 The cutter head adopts 65# steel, special heat treatment, hardness of HRC54-56. Shell shape grinding method, the maximum shear diameter 18mm.