This miniature angle beam block is also known as a “Rompas” block or simply “Angle Beam,” and it is the ASTM and U.S. Air Force substitute for the DSC block for distance, beam index, refracted angle and sensitivity calibration.
Contains a 1.0″ radius opposite a 2.0″ radius, and a 5/64″ diameter x .750″ deep flat-bottom hole.
In accordance with ASTM E164 and U.S. Bureau of Public Roads, Type B specifications.
1018 carbon steel construction.