Lathe Tailstock Tap & Die Holder Set MT-1 Shank Threading & Tapping Kit Of 8Pcs DESCRIPTION Morse Taper Arbor : MT-1 Will Hold Round Button Dies Having O.D. 13/16", 1" & 1-1/2" Tap Chuck Holding Capacity 0 To 1/4" & 1/4" To 1/2" Knurled Sleeve Holder Threaded Stop Handle The Tailstock Tap & Die Holder Kit will cut threads with either a tap or a die using hand held holder that slides on a tailstock mounted morse taper arbor Releasing ones grip allows the tap or die to rotate on the arbor with the spindle For larger threads that cannot be hand-held, a stop handle that bears against the lathe carriage prevents rotation as the threads are cut