Carboard box containing a Goodell-Pratt number 112, 1 inch micrometer, lock nut spanner and information sheet. The box has a label attached with contents and production information. Wartime version of ...

Have you ever needed to measure something super precisely, down to a tiny fraction of a millimeter? When that level of precision is required, it’s time to pull out the micrometer screw gauge. This ...

It doesn't matter where your parts came from, what shop machined them, or how much you spent. Slap that engine together without checking everything, and you'll be lucky if your hot rod makes it out of ...