General description Sealey Dial Bore Gauge 35-50mm is designed for precision measurement of bore sizes, taper, or ovality. It features a precision mechanism with a Ø58mm dial and a locking rotating bezel, ensuring accurate readings. Technical specifications Measuring Range: 35-50mm Dial Diameter: Ø58mm Resolution: 0.01mm Model No.: DBG509 EAN: 5054511017700 Other information