Emgo Matte Black Universal GP Sport Mirror Set GP sport style matte black mirrors is constructed from aluminum. Features: Aluminum Includes both left and right sides, sold as pair Specs: Rectangle Shape Mirror Head Size 4 3/4 W x 3 3/8 T Stem Length 5 1/2 Thread Size 10mm x 1.25 Screw-in Handlebar Mounting Flat Curvature Mirror