The new_hires_medikits.zip file you have requested: Shadow of Chernobyl / Skins / Other / New Hi-Res Medkits - 372kb 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 mod reskins the medkits to have a nice high resolution skin.