3-1/2" piloted counterbore w/ MT3 (I think) shank

[extropic]

I just saw this on eBay. Not my listing, but I thought it would be a very useful tool if I often worked with such large workpieces.
I'm exercising uncommon self constraint not buying it myself. Help me out and BIN.

Machinist Tools Machine Shop Tooling 3-1/2"Lathe Counterbore tool | eBay

Monarch Nice Tail stock Counterbore tool with Morse Taper for large Lathe. Amazing how nice these cut.

www.ebay.com