2600 Harken 57mm Carbo Air Block with Swivel Attachment Experience the perfect blend of durability and performance with the Harken 57mm Carbo Air Block. These blocks are designed to provide low-friction movement and are ideal for sailing enthusiasts who require reliable and lightweight equipment. With a robust construction, they ensure safe and efficient trimming for optimal sailing experiences. Key Specifications: Sheave Diameter: 57mm / 2-1/4in Overall Length: 110mm / 4-5/16in Weight: 87g / 3.1oz S

<p><strong>Harken 57mm Carbo Air Block with Swivel Attachment</strong></p><p>Experience the perfect blend of durability and performance with the Harken 57mm Carbo Air Block. These blocks are designed to provide low-friction movement and are ideal for sailing enthusiasts who require reliable and lightweight equipment. With a robust construction, they ensure safe and efficient trimming for optimal sailing experiences.</p><p><strong>Key Specifications:</strong></p><ul><li>Sheave Diameter: 57mm / 2-1/4in</li><li>Overall Length: 110mm / 4-5/16in</li><li>Weight: 87g / 3.1oz</li><li>Shackle Pin Diameter: 5mm / 3/16in</li><li>Maximum Line Diameter: 10mm / 3/8in</li><li>Maximum Working Load: 359kg / 792lb</li><li>Breaking Load: 1079kg / 2380lb</li></ul>