From 'Free" vibrating shuttle 1913 badged "New Automatic", replacement/ repair parts. Front and rear slide plates. Each plate measures 1 21/32" wide x 3 15/32" long. Rear plate has etched patent dates from 02 to 13, front plate etched with "Number of Cotton / Size of Needle / Number of Silk" chart. Price includes shipping to lower 48. Return for refund if it does not work on your project.