Lewmar 25001377 size1 Mainsheet block cup

The Lewmar 25001377 Size 1 Mainsheet Block Cup is designed for optimal performance and durability in marine applications. This block cup is crafted from high-quality materials to withstand the harsh conditions of sailing, ensuring reliability and longevity. It features a lightweight yet robust construction that minimizes weight while maximizing strength, making it ideal for various sailing setups. The Size 1 designation indicates its suitability for smaller boats, providing smooth operation and efficient load handling. The block cup is easy to install and compatible with a range of mainsheet systems, enhancing your sailing experience with improved control and maneuverability.