Geier & Bluhm, Inc. 2-16000

1-3/4 Inch Base Diameter x 0.63 Inch Overall Height, 1 Circle, Brass Bull’s Eye Circular Level 0.315 Inch Vial Diameter, 13/16 Inch Inner Diameter, 0.12 Inch Mounting Hole Diameter, 0.1 Inch Sensitivity, -40 to 160°F