AntiClock Smiths Replica 80 mm fitment TACHO 5-80 RPM ,2:1 Ratio M12x 1 BC BH

Replica Smiths. Body = 3 1/8 " (80 mm). Bezel = 3 1/4 " (85 mm). with mounting bracket and 12 v bulbs for illuminaion.

eBay