Strong Signal - After thousands of experiments, we have worked out the best structure for short antenna on reception. Compare to the other short antennas, the signal of 13Inch antenna is much better! Material: The jacket of the antenna is made of premium rubber which can sustain under extreme weather conditions. Shape Memory - Flexible material inside the antenna which allows shape memory so antenna springs back into shape In an instant when bent. Perfect match for the equipment. Stable characteristics, high reliability. Easy installation and . Fitment: For JK JKU JL JLU 2007-2022 For / 2009-2022 For RAM 1500 2011-2022 For RAM 2500 2010-2022 For RAM 3500 2011-2022 For RAM 1500 2009-2010 For RAM 2500 2010 For RAM 3500 2010 and so on Fits Most Of With Screw Type Antenna Base, it comes with 5mm and 6mm of screws. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. The color of accessories is random and cannot be specified. Colour:As Shown Material:Plastic+Metal Package Contents: 1 * 13in Antenna Aerial set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.