BTW. I'm looking at two eBay auctions and was wondering if these were
worth their price.

130366196580 & 350341969285

Seems cheap enough.

I prefer to get tool holders with the square shank and put in an aloris
square shank holder. When (not if) you break a part, its cheaper to repair.

I alos like the cutting edge so its on the corner, not the 30 degree back
angle of these holders. Just a preference. It lets me change tools without
undoing the tool post and losing my DRO settings.

Karl