4" Round Convex Side Mirror Attachment & Clamp

4" Round Convex Side Mirror Attachment & Clamp This side mirror has a 4.0" outer diameter and is fitted with a scratch resistant convex mirror for unmatched clarity and maximum blind spot reduction. It is fully adjustable and features a locking mechanism that keeps it adjusted perfectly for the intended driver. Its light weight cut out design gives a custom look that will separate you from the crowd.