Looking for reliable protection for your yacht's propeller shaft? Look no further than MGD's ring-shaped zinc anodes. Perfect for use in salty and low-saline reservoirs, these anodes provide a durable and effective barrier against corrosion. With a variety of sizes available to fit your specific needs, you can choose the diameter that matches your yacht's propeller shaft, including 22mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 100mm, 110mm, 120mm, 125mm, and 130mm. Don't let corrosion damage your yacht's propeller shaft. Invest in MGD's ring-shaped zinc anodes for reliable protection and peace of mind. Order now and experience the difference for yourself. Shown price is for 22 mm, incl. VAT and delivery