Panel Meter 100mA full scale with 42mm wide x 22mm high viewing area. Picture shows the 30mA version
Specifications: 100mA full scale, Meter size, 45mm high x 45mm high x 35mm deep. Hole cutout required for front panel mounting is 38mm.
These are New Old Stock and have some very slight marks, Actual P# 91C4 100mA