Billet aluminum gauge deck mount. This highly polished 6061-T6 billet gauge mount measures 4 5/8" long X 3 1/4" wide. It is machined to hold the gauge at a 40 degree angle. Accepts a 2 5/8" hole size gauge. It is drilled and tapped 10/24 and includes (2) mounting studs with nuts for blind hole fastening.