Surepromise Car Radio Flexible Anti Noise Bee-Sting Aerial Ariel Arial Antenna Replacement 41cm 16" UNIVERSAL CAR ANTI-NOISE 41CM FLEXIBLE REPLACEMENT AERIAL / ANTENNA. Length: Approx. 16" (41cm). For AM/FM Reception. Completed with Anti-Noise performance. It is a replacement Aerial, not an ORIGINAL one. Easy to install. Simply screws into your car's original aerial base. Fits for most cars with 5mm & 6mm Adapters. Compatibility: 6mm Female / Male Aerial Base and 5mm Female Aerial Base. Flexible Base with M6 6mm Female stud adaptor (M5 5mm & M6 6mm studs included).