The BikeMaster Smooth Square Adjustable Mirror is a large rectangular face mirror that can move along the stem for multi-length adjustments Can be mounted on either the right side or left side Sold individually No plastic parts Precision swivel ball joint adjustment Metric applications (does not fit Yamaha right side) Dimensions are 5-3/16" L x 3-3/4" W x 3/4" D Stem length is 6-3/4" and is adjustable with an allen wrench