CNC-machined billet aluminum construction Light-weight, strong and fully adjustable Features exceptional rear visibility due to the use of exclusive custom-made convex mirror glass that is 3-1/4" in diameter Swivel mirror head assembly is completely serviceable and is machined from stainless-steel alloy ball that rides in a special polymer base to ensure smooth action and corrosion-free operation Chrome finish, left side and low angle stem Sold individually Dimensions of mirror are 7-1/4" x 1-11/16" x 5"