Unique "Schooner Beer Glass" shaped head makes on-the-road adjustments super easy Provides exceptional rear visibility due to the use of Joker Machine exclusive custom-made convex 2-1/4" diameter mirror glass Stems and heads are completely CNC-machined from billet aluminum Lightweight, strong and fully adjustable in every direction Once the mirror is positioned, a simple twist of a wrench keeps them at your desired tension setting right where you want them Swivel post assembly is completely serviceable and is machined from stainless-steel alloy to corrosion-free operation Mirror dimensions are 6-1/6" x 3-5/16" x 4-5/16" Sold individually, matching right side 752-373