Bob from SWISCO responded:
February 17, 2024
Thanks for posting. This looks an old Unique brand pivot shoe that was discontinued. Based on your dimensions, we think the 15-188 should work as a substitute. Please compare. Also, you might want to get a 75-006 Spiral Attachment tool, so you can reattach the spiral rod to the new shoe. Take a look and see what you think. Alternate image for 15-118
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