CROWN DELUXE SCREWSLIDE MORTISING & MARK GAUGE
This gauge has a single pin marking side, but its best feature is the threaded screw-slide mechanism for fine tuning to perfection the distance between the double pins on the mortising side.
Pins are adjustable to over 2-1/4" apart. Approximately 7-1/2" long. Solid rosewood. Brass fittings & wear plates. Made by Crown. Sheffield, England.
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