This is my reference for guitar setups - a Japanese "E-series" Squier Stratocaster from the early '80s. This was an era when Fender-America was not doing their best work, while the Japanese models were superb.
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This is a prototype arbor I made from Home Depot parts. A 5/8" coupling nut fits my DeWalt DWP849 variable-speed polisher. A 5/8" bolt holds a pair of plumbing flanges. The polisher is held in the bench vise in a bracket I built for it. You can see the eye-bolt that screws into the handle mounting.
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