Waterproof Shark Antenna Features and specifications: Waterproof shark fin antenna made from ABS plastic. It is coated in piano paint and comes in 23 colors. Features a 3M adhesive for a strong hold. Note:The shark bottom hole measures 9.8 x 5.2 cm. 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. Size PET-S Stronger Signal Antenna Cable Piano paint, ABS plastic 5 colors waterproof silica gel 25 Colors paint,chrome and carbon Acceories of packageWaterproof shark 1 piece,PET-S cable 1 piece,double type 1 piece,copper screw and nut1 pair. Easy to install FAQ:Question 1:The shark same color with the original car color?Answer 1:The 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,hope you understand that.Question 2:How about the radio signal effect after installation?Answer 2:This antenna using purification copper fittings,through our tested,the signal close original antenna.Question 3:What should be note when installing?Answer 3:Clean around antenna base,be sure without water or 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.