The Shakespeare 410-R HF/SSB Chrome Plated Swivel Mounting Kit is a high-quality antenna designed by Shakespeare Marine. This model, known as the 410R, is specifically designed for HF bands and has a weight of 500 grams. The kit includes a 1"-14 male thread for easy installation and allows for swivel mounting, providing flexibility and convenience for radio communication equipment and mobile phone communication setups. This product is a reliable and durable option for those in need of a sturdy antenna for their communication needs.