I bought a Buck 6 inch 6-jaw chuck at auction recently. The chuck was part of a lot that included in a small workstation filled with tooling. The shop was a grind shop. I have picked thru what I think I might have use for and before I pitch the rest in the scrap metal pile, I figured I would offer up here. $7 + shipping for a small flat rate box ($9.50) or $20 for a medium flat rate box ($16.50). I suspect much of this tooling was job or machine specific. There are quite a number of dead centers, both male and female ends. The dead centers appear to be 2MT - I have not measured but have lightly inserted into a 2MT socket - most are carbide tipped or carbide socket. I only took overview pics since I don't wat to spend too much time if there is no value. If you do see items of interest, describe your what you might be interested in (example - 2nd image, top row, from left items 12 thru 17) and I'll get specific images or take some quick measurements. Click on the images to get them to expand (and improve the resolution).