Clear plastic face, D'Arsonval type movement, 1.73" square face. Meters fit into 11/2" diameter hole in panel and are calibrated to be accurate within 2%. Has zero set screw adjustment. Will enhance the looks of any equipment on which it is used. Listed below are the following sizes. Available in bulk or packaged. Comes with meter cut out template and mounting hardware. 60-201 Mounting hardware only for Calrad meters 60-150 - 60-175.