Lathe Tailstock Die Holder Set Of 6 Floating Type MT2 SHANK Holds Metric Die. Shank Size MT 2 Die Holder Sizes 12MM - 16MM - 20MM - 25MM - 30MM - 38MM Ideal for cutting accurately aligned threads on lathe machine using standard dies. Holders are held on shank by a pin which fits in slot on either side of the holder allowing about 1-1/2" of Smooth travel. Set includes a punch of size 3/8" for easy removal of split button die.