Blue Shark 2310-57 mm Single Swivel Aluminum Sailing Block - Max Line: 7/16” (12 mm), Safe Working Load (SWL): 1100 lbs (500kg), Breaking Load: 3500 lbs (1600 kg) (10-Pack)

Experience unparalleled performance and durability with the Blue Shark 2310 - 57mm Single Swivel Block. Designed for marine enthusiasts who demand the best, this block is constructed from high-strength 6061T6 aluminum alloy with a twice-thick anodized hard coating, providing double protection and exceptional corrosion resistance. This ensures the Blue Shark 2310 block maintains its integrity and appearance, even in the harshest marine environments. Equipped with premium Delrin ball bearings, this block ensures smooth and efficient operation, reducing friction and wear for optimal performance. The Blue Shark 2310 is perfect for a variety of marine applications, including main sheet fine-tuning, main/jib sheets, vangs, outhauls, and control lines, making it an essential addition to your sailing gear. The block's premium 316 stainless steel hardware provides exceptional resistance to corrosion, ensuring long-lasting durability and reliability. Whether you're out for a day sail or engaged in competitive racing, the Blue Shark 2310 block delivers superior strength and performance.