Feature●Sierra 68399P 3 inch●All sierra parts qualify for and are Covered under sierras industry leading customer satisfaction Warranty●Scratch-resistant domed glass lens●Perimeter lighting for excellent readability at night●Scratch-resistant domed glass lens●Perimeter lighting for excellent readability at night●U.S. and metric scales, with ISO symbols, where appropriateDescription Smart white and blue graphics on a black dial background, these very low profile bezels follow the curve of the lens to eliminate water trapping. Domed glass sheds water and resists scratching. Size: 3" Dial Range: 0-7000 RPM Sender Code: O/B ALT./COIL