This extension mast does its job flawlessly .It is durable and made of high-quality stainless steel that can withstand rough weather conditions. It has a solid construction which gives me the confidence that it will last for years. Based on our own experience, it has great connectivity and provides a clear signal, which is essential for marine electronics. However, it is a bit pricey compared to other options in the market. Nonetheless, the investment is worth it since it guarantees the best perSee full review