OK, back to tine thread, then, I have a Yuasa QCTP on my Atlas 3996. One of the tool holders made for it is double-ended and holds two triangular inserts. It is a 41-116. I think that it or one like it to fit your Tool Post may be what you need. It has a shallow triangular area machined into the top of the holder at each end that about 90% of each insert fits into. And an L-shaped clamp at each end secured by a single screw to hold each insert down and in place. One end of the holder is used for turning and the other end for facing. I'm sorry that I don,t have a photo to include but I have misplaced my camera.