The gauge is a surface mount gauge that is 4" wide x 1 1/2" tall when mounted and reads + / - 20. The gauge has never been mounted or used, it does have a white film on the chrome plating and yellowing of the lens from age.
Mounting holes (3) are about 3 apart. This item comes exactly how it is pictured. If you have any other questions regarding this item please contact a dealer in your area. (ATH / LOC : U 9 C / #9037426). The item "VINTAGE MEDALLION AMP GAUGE (+ / 20) A-1702 MARINE BOAT" is in sale since Tuesday, February 23, 2016.This item is in the category "eBay Motors\Parts & Accessories\Boat Parts\Electrical & Lighting". The seller is "parts1d414" and is located in Franklin, Wisconsin. This item can be shipped worldwide.