February 21, 2024 jacobs Jacobs 56B 1 10 tpi Headstock Spindle Chuck Atlas Craftsman Jacobs 56B 1 10 tpi Headstock Spindle Chuck. Used on many Atlas Craftsman lathes and tooling. Turns freely and smoothly. Hard to find item. You might also like: October 13, 2022 Jacobs Spindle Nose Lathe Chuck With 11 Jacobs Rubber Flex Collets Machine Tool