85mm / 3.3in Boat Tachometer Sensor IP67 Tacho Gauge 12V/24V Red Light FIS

Mount the caliper in the hole, rotate the back cover after adjusting it. Red Background Application Mode: LCD screen, stepper motor, high precision. If you are satisfied with our service, pls. Mounting Hole: Approx.85mm/3.3in.

eBay