The nimble_toolkit_3_for_smrterv0.41a.zip file you have requested: Call of Pripyat / Calibration Tools from Nimble - 118.75kb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Call of Pripyat and upload any files you want to share or are missing. This is the only information we could locate:
Nimble sells tools for calibration.....ONLY for S.M.R.T.E.R. v0.41(alpha) mod..You can now order tools for calibration from Nimble, it's not cheap but worththe price for not having to go to Pripyat yourselves.