This is the quill for the tailstock on HiTorque deluxe mini lathes that have a tailstock DRO (SIEG SC2).
It has a #2 Morse Taper bore.
Overall length is 110 mm and diameter is 22 mm. The keyway on the underside is 4 mm x 75 mm in length.
The body of the quill has no dimensional markings as that function is handled by the DRO.

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