Bosch SP0F000050 Style Line 2" Mechanical Vacuum/Boost Gauge (Black Dial Face, Black Bezel) Standard 2" black dial face for 2-1/16" openings 0-30 in. Hg Vacuum scale, 0-20 PSI Boost with 270 degree sweep Features a black bezel with removable black mounting panel 72" tubing and fittings included Includes mounting hardware and 12 volt internal back lighting