Overview:Biltwell Clamp-On Utility Mirrors boast clockworks precision and timeless retro style to stand out or blend in on any stock or custom motorcycle you can imagine. Precision die-cast aluminum construction with stainless-steel ball joint mounting hardware. 2.5″ x 4″ rectangle shaped tempered glass mirror head. Includes a CNC-machined 6061 T6 aluminum P-clamp for mounting on handlebars. Clever ball joint assembly inside the mirror perch can be reversed for right-side mounting.