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ASteadyRest Kink IT is a bothersome task to change the steady rest jaws to accommodate different sizes of work. The following method was used to advantage: The steady rest was placed in position on the lathe and a line was scribed around the face of the rest as shown at A. The jaws of the steady rest were then Steady rest with graduated jaws. graduated in sixteenths of an inch on both sides of a zero line, as shown. The jaws were then placed in the steady rest and locked with the set screws after being set on the zero line. The jaws were then bored out while in position, thus making the graduation true.