Prepare your screwdrivers

Old experienced craftsmen say that good and well prepared tools are half of the success at work. This is true even for a screwdrivers – properly sharpened screwdriver with correct shape prevent damage or destruction of head of the screw, possibly parts or material around. Thanks to this guy from AWCI (The American Watchmakers-Clockmakers Institute) we finally know how to do it. Very informative video…

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