Two fully adjustable mirror surfaces allow you to fully customize your viewing area. Large, flat 5 ¾" x 7 ½" mirror surface gives an accurate view of what is behind you, while the smaller convex surface increases safety while passing or changing lanes. Fully enclosed mirror head design reduces wind vibration. Universal mirror features two adjustable arms and rubber straps that wont obstruct your existing mirror. Fits most mirrors 7" to 10" tall. Sold individually. Mfr. 1 year limited warranty. | CIPA Dual-View Clip-On Tow Mirror