0.11" to 1" (Tapping Range) Brand New Baileigh Single Arm Articulated Air Powered Tapping Machine, Mdl. ATM-27-1000, MFG Number BA9-1000326, Air Tapping Spindle, Pneumatic Motor, Ergonomically Designed Tapping Arm, Slanted Arm, Drill Chuck, Table Mount System, #SMATM271000