SMAKN 85C1 DC 0-5V Fine Tuning Dial Analog Voltage Panel Meter Gauge Scale Range : DC 0~5V Accuracy : Class 2.5 Meter Face Size(Approx): 6.3 x 5.5 x 1cm / 2.5" x 2.2" x 0.39"(L*W*T) Thread Size: 0.37 x 0.83cm / 0.15" x 0.33"(D*L) Overall Depth: 5.77cm / 2.27