Grieshaber Saw Finger Ring 0.75inch blade, Diameter 6inch, Length 0.1875inch Iii part name assigned by controlling agency: saw finger ring .75"blade dia 6"lg 0.1875" arbor hole diameter Material and location: steel, carbon blade brass handle Surface treatment and location: chromium plated handle Overall length: 6.000 inches nominal Special features: for replacement blade,order 6515-00-363-4150 Blade diameter: 0.750 inches nominal