Used holder in great condition. Bore was measured at 1.3755” with a bore micrometer. Little wear evident, tapers are smooth to the touch. Multiple holders for sale in similar cosmetic condition, listing is for a single holder. Pull stud style may differ from pictures. 1.5” projection, key is 1/4”. I have more of these holders with threaded shank adjustable boring bars included. Please review all pictures. Volume discounts applied!