PSI Woodworking Products LTCA18 Live Tailstock Chuck Adapter 1-Inch by 8TPI Male Thread Mounting to a 2 MT Now you can mount your chuck on the tailstock with a smooth bearing Provides a 1-Inch by 8TPI spindle at the tailstock end Gives you precision centering at the tailstock Ideal for an additional secure mount from the opposite side Retains the exact center at all times