SODIAL(R) 85C1 Analog Current Panel Meter DC 30A AMP Ammeter Product Name: Analog Amperemeter Measuring Ampere Range: DC 1-30A 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"