As this was in need..
Work to do, needs replaced.JPG
Arm is a bit chewed up...thumbscrew is all the way in, before it gets tight on the arm....back end of the arm has gotten too fat, would need driven out to replace..so
Work to do, replacement arm.JPG
Needed to cut this blank down for length, to match the old one, then..
Work to do 2, plane an arm.JPG
A Stanley No.3, Type 11 to plane to final size AND shape...


The old pin?
Work to do 2, bad pin.JPG
Was too corroded and bent to re-use...so...
Work to do 2, new pin.JPG
Old Allen Wrench, of about the right size..cut for length, one end sharpen up. The problem with that thumbscrew? was too worn down on the end...sanded a few layers off, until a thread and a half stuck of inside the opening...
Work to do 2, cleaned head.JPG
gave the rest a good clean up...the drill to install the new pin/cutter..
Work to do 2, installed pin.JPG
Fit was tight enough that a hammer was needed to drive the pin into place...

Work to do 2, coat of Witch's Brew.JPG
Gave the "New & Improved" Marking Gauge a coat of Witch's Brew Finish...and called in done...

Thanks for looking in..