Columbia River Knife & Tool - Ikoma Keydashi Fixed Blade Knife with One-Piece 1.4116 Stainless Construction. Model: CR2280. 3 3/4" overall. 2" skeletonized blade. One-piece 1.4116 stainless construction. Dark green injection molded Zytel scales. Braided cord lanyard. Instead of a traditional sheath this knife comes with a unique stainless sheath plate that locks against the flat back side of the blade, safely sealing the blade edge. Split ring is included for attachment to keychain, neck chain or a nylon paracord (not included). Designed by Brazilian knife designer Flavio Ikoma.