You need a high-carbon steel knife, which is hard and rust-proof.
This is a full Tang knife made of 9Cr14MOV stainless steel. The hardness of 9Cr14MOV can reach 60-61HRC. The handle is made of G10 material, which is wear-resistant, anti-corrosion and hard. The design of the handle conforms to the ergonomics of the fingers. The knife is relatively small, suitable for EDC, and women are suitable for defense. The weight of the knife is only more than 90 grams, plus the sheath is about 150 grams. It is light, not heavy, but hard.