
Made in the USA by Advanced Tool Systems Workholding. This is an S26 / Acme Gridley CNC Pullback Collet Chuck Lathe Nosepiece w/ A2-8 Mount. Spindle Taper: S26 / Acme Gridley 2-5/8. Drawtube Adapter Threads: M75 x P2.0. Comes exactly as shown in pictures.