The T109-26 is used on some (not all) of the W-0 carbs.
We sold out of these (about 75 units) to the Jeep folks.
Someone has reproduced them somewhere, even to the Carter logo on the tool, and are being offered at ridiculously low prices.. Have not seen any of the repros, so cannot comment on the quality of this unit, but a lot of repro stuff like this is not overly great quality. This post information only, again, we are sold out of this tool.
Jon.