…Jacobs Manufacturing Company Industrial Tools…
•Precision Machined and Ground
•High Accuracy
•Close tolerance Fit
Adapt Jacobs taper to: Morse tapers, straight shanks, threaded shanks and Bridgeport tapers
Ideal for use with custom tools and work holder designs
Great for specialized machining applications
If you are looking at this you are a professional and you know what it is.
Markings on the arbor say Jacobs 3M.T. 6J.T. ENGLAND, Jacobs CHUCK ARBOR which means ARBOR 3 Morse Taper TO 6 Jacobs Taper. It comes in the original green plastic case.
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