The Insertion Tool listed for the Vector T44 MiniWrap Terminals, like T44-1/M, can be found on the PCB Accessories Document
A13, which is the Digi-Key Part Number V1098-ND, is for the T44 series.
The tool consists of the 1/4" diameter Shank, that is 3-1/2" long, with a removable rubber handle.