Waterproof shark fin antenna made from ABS plastic. Coated in piano paint and available in multiple colors. Features a 3M adhesive for secure installation. The shark fin base hole measures 9.8 x 5.2 cm. Ensure your antenna base is smaller than this for proper fit. If your base is larger, consider a compatible larger model. Color-matched silica gel rings are included: - White and pearl white: white ring - Silver: silver ring - Gray and dark gray: gray ring - Light red and deep red: red ring - All other colors: black ring Made from durable ABS plastic with a glossy, non-fading finish. Package includes: - 1 shark fin antenna - 1 PET-S antenna cable - 1 3M adhesive pad - 1 pair of copper screw and nut Easy installation: - Attach the 3M adhesive to the bottom of the shark fin - Remove the original antenna - Secure the copper screw and nut onto the existing antenna base - Align the shark fin properly and press firmly for 2 minutes to ensure strong adhesion Dimensions: - Shark fin: 16.4 cm (6.5 in) length, 7.9 cm (3.1 in) width, 6.7 cm (2.6 in) height - Base hole: 9.8 cm (3.9 in) length, 5.2 cm (2 in) width