Upgrade Design: Door off mirror is the improved design, suitable for all wrangler 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) Wider View:The 7.7-inch large reflector with omnidirectional universal joint bolts is convenient for adjusting the angle of view, tighten them, they will stay in place. And the three-screw fastening system prevents the rearview mirror position from changing during driving Stability and Noise Reduction: Our door off mirrors adopted streamlined design minimizes wind noise and improves driving experience.Fixing bars on both sides increases, the formation of a stable triangular configuration, bending and shaking can be avoided Easy to Install: Wrangler mirror is mounted on a bolt bracket and secured with a locking knob. Easy to install and remove. You don't have to reassemble and remove all the components like every adventure mirrors every time you use them, just use a wrench to loosen the nut If the door off mirror does not match your wrangler, or the mirror is broken during delivery. Please be proactive and ask for help.We understand the needs and concerns of the customers, and provide with comprehensive solutions Door off mirror is the improved design, suitable for all wrangler 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)