The product is completely handcrafted from one of the world’s best steels of bohler – n690 steel with an exclusive heat treatment formula. Versatile design and excellent sharpness, resistant to corrosion and wear. The knife can open bottles, the handle has a glass breaking pin. The comfortable handle feels secure and stable when in use. The product has applicability, durability over time and high value. Each knife has its own identification number and birth certificate that holds customer information. +steel type: bohler n690. +overall length: 227.94mm. +blade length: 111.31mm. +live thickness: 3.5mm. +origin: made in vietnam. This item is made of bohlern690 and n690, steel, ctek.