[Upgrade Design]for mirror door off is the Newest improved design, suitable for all CJ YJ TJ JK JL & Unlimited.The Support pole diameter is 0.38 Inch (9.8mm),suitable for almost all models after 2007 which hinged inner diameter about 4.13-4.33 inch (10.5-11mm).Also fit some Wranglers before 2007 which hinged inner diameter is about 3.85-4.01 inch (9.8-10.2mm). [ View]The 7.8inch large door off mirror with reinforced glass lens and omni-directional joint bolts for easy adjustment of viewing angle. Further widen the sight make driving . [Stability and Noise Reduction]Mirror adopted streamlined design minimizes wind noise and improves driving experience.Fixed rods are added on both sides to form a stable triangular structure, which can avoid shaking and bending. [Easy to Install] mirror is mounted on a bolt bracket and secured with a locking knob. Easy to install and remove. You don' have to reassemble and remove all the components like every adventure mirrors every time you use them,