Sterling Series Instruments feature a brushed aluminum dial and retainer providing an elegant look for your boat. This Sterling Signature Series Tachometer Gauge for outboard or 4-stroke gas engines displays engine speed up to 7000rpm. Easy-to-install kit is a simple plug and play replacement for OEMs. Gauge features a brushed aluminum dial gauge, black numerals, and a black pointer for easy readability during the day. The thru-dial and white perimeter lighting enhance readability at night. Scratch-resistant curved glass lenses features near flush stainless steel bezels provide a polished look to your boats dash. Key Features U.S. and metric scales with ISO symbols Perimeter and thru-dial lighting for night readability Dial range is 0-7000rpm Gauge size is 3” For more information regarding this instrument and the complete range of the Sterling Signature Series Instruments, please refer to the Sterling Series Instrument Overview.