Geier & Bluhm, Inc. 2-14010

1-7/16 Inch Base Diameter x 0.52 Inch Overall Height, 2 Circles, Brass Bull’s Eye Circular Level 7.00mm Vial Diameter, 3/4 Inch Inner Diameter, 0.12 Inch Mounting Hole Diameter, 24 min Sensitivity, -40 to 165°F