Black UV-Stable Vinyl cover (1) will prevent sun damage to your expensive marine gauges, and many Gauge Radios. Protect your gauges from lens crazing and damage to sensitive LCD digital displays now! This cover is designed to fit a variety of round gauges ( 3 5/8" to 3 13/16") including the following: Yamaha Marine Meter, 6Y5, 6Y8 (round) gauges, Mercury SC1000 Digital gauges, Honda Digital Multi function gauges (speed and tach), Etec, i-Command gauges, Suzuki Gauges. (White Covers are available as well, check our other ads..)