Harken 80mm Single Block Mastbase with Swivel

This advanced block features a robust design with element blocks that incorporate sideplates made from forged aluminum and compound curves, offering exceptional strength while maintaining a contemporary look. The minimal metal usage protects the sheave effectively, while a proven journal bearing ensures smooth performance. Harken's Element blocks are engineered to be more cost-effective compared to previous models, making them an excellent choice for sailors.

Durability is key; the sideplates are hardcoat-anodized to resist corrosion, and a tough composite bearing sheave guarantees a long service life even in harsh marine environments.

• Sheave Diameter: 80mm (3-1/8 inches)
• Maximum Line Diameter: 16mm (5/8 inches)
• Maximum Working Load: 2200kg (4850lbs)
• Swivel design for optimal operation
• Corrosion-resistant materials for longevity