Oh, sure. I need a few tools but I have no time to go look for them. Hardware is like that, takes up all your time. If you bring me a few useful gadgets, I'll show you what upgrading is all about. You'll also make a buck or two.Cardan
That would be awesome. At the moment, it's like working in the Stone Age. The only difference is that the soldering iron has replaced the shaman's staff... If I had tools, I could do some top upgrades and you better believe there'd be coin in it for you too...Nitro
Tools is a side mission in S.T.A.L.K.E.R.: Call of Pripyat.
As a reward for bringing tools, each technician will give the player 1000, 1200 and 1500 RU and a discount. Tools for basic, fine and calibration work respectively unlock tier 1, 2 and 3 upgrades.
For locations, see the respective articles.