The stalker_dark_knife_1.1.zip file you have requested: Shadow of Chernobyl / Skins / Weapons / S.T.A.L.K.E.R. Dark Knife - 356.42kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R. Shadow of Chernobyl and upload any files you want to share or are missing. This is the only information we could locate:
This is an updated version of the "Dark Knife" skin. There is now a version without the STALKER logo on it for those who want more "realistic" weapons.