The P831-SA knife from RUIKE is designed with a sleek and smooth look, similar to the P831-SF model. Instead of using thumb studs, it features a jimped flipper tab for easy blade deployment. The blade is made of Sandvik 14C28N wharncliffe steel, which is known for its durability. The handle is constructed with 3Cr14N steel frame lock, ensuring strength while maintaining a slim and comfortable design. This flipper knife is perfect for everyday carry tasks. RUIKE is a trusted brand that offers high-quality knives and multi-tools for any situation. If you're in need of a functional and affordable addition to your everyday carry collection, RUIKE has got you covered.