This Martyr Anodes Streamlined 1-1/8" Shaft Anode is a top-quality product for your outboard engine needs. It is made of durable aluminum material that ensures longevity and protection against corrosion. The anode is designed with a streamlined shape and a 1-1/8" shaft size to fit most outboard engines. The brand of this anode is Martyr and the manufacturer part number is CMX4. It is perfect for use in boats and other watercrafts. This product is ideal for those who are looking for a reliable and high-quality anode for their outboard engine.