Elevate your sailing experience with the Schaefer Marine Single Stainless Steel Block. Featuring a robust 51mm sheave, this block is designed for optimal performance and durability. Crafted from high-quality stainless steel, it resists corrosion and wear, ensuring longevity even in harsh marine environments. The smooth operation reduces friction, making sail handling effortless. Ideal for various applications, this block is perfect for both cruising and racing. Upgrade your rigging setup with the reliability and efficiency of the Schaefer Marine block, and enjoy smoother sailing on every voyage!