Super Shark fin antenna By DA Features and specifications: Note:The shark bottom hole measures 15x6.8cm(5.9"x2.68"). Please make sure your antenna base is smaller than that to ensure fit. If your antenna base is larger, please order the super shark as it can fit a larger base. Shark fin antenna made from ABS plastic. It is coated in piano paint and comes in 12 colors. Features a double adhesive for a strong hold. Frequently Asked Questions Question 1:Is super shark same color with original car color? Answer 1:Super shark fin color very close the original color,however, the car due to long-term exposure to outdoor, erosion by rain and snow,the color has changed, so impoible exactly the same as color,please understand. Question 2:Super shark installed on the roof have a little gap, is appropriate? Answer 2:Super shark bottom is flat,most of hatchback models and SUV models no have gap,the sedan models roof is arc,there may be have a little gap,it does not affect the use.You can use adhesive in to the gap. Question 3:How about the radio signal effect after installation? Answer 3:This antenna using purification copper fittings,through our tested,the signal close to the original car antenna. Question 4:What should be note when installing? Answer 4:Clean around antenna base,be sure not have water and dust,first connect the cable and base,test the radio,if it is ok,than installing,heating 3M adhesive with hair dryer before you install,it will become soft,viscosity will increase,only have one chance to paste,so be sure to alignment the positionpreing 3 minutes after pasted,keep dry in 2 days.