2-1/4in Diameter 1/2in Bore Hole Mill Lathe cross slide travel dial - $64 (Grand Rapids NW side)

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2-1/4in Diameter 1/2in Bore Hole Mill Lathe cross slide machine handle table travel DIAL This dial is in nice used condition, not sure what it fits, maybe a Lathe, a surface / tool and cutter grinder or even a rotary table or milling machine? The hash marks go from 0 to 200 The hole measures .
500" Largest outside Diameter is 2.
329" Overall Length / thickness is .
758" Equipped with a knurled knob set screw to secure it from spinning on the inner smaller diameter.
I do not see a name or model number on it.
Rare hard to find machinery replacement parts Table travel gage gauge dial gage tool Call Doug 616-460-213zero Please take a minute and look through some of my other items, just type my phone number in to the search window exactly as it is written just above this sentence.
Thanks!!