THE PLUMB BOBS LISTED BELOW ARE ALL MADE FOR INNAGE GAUGING AND HAVE MARKINGS. THEY ARE MADE OF DIFFERENT TYPES OF NON-FERROUS METALS. PLEASE NOTE WHICH MATERIAL AND MARKING YOU NEED. 590 STYLE.
Made of solid brass and graduated in inches to ⅛, reading upward (zero at lower end off point) with blunt point.
.png)