Choose Quantity of 57mm Single Swivel Aluminum Sailing Block: 1-Pack

Introducing the BLUESHARK Premium 57mm Aluminum Sailing Blocks, a top-of-the-line choice for sailors. Constructed from 6061T6 aluminum alloy with a hard anodized coating, these blocks offer unparalleled protection against the elements. The coating is twice as thick as traditional black anodizing, providing double the defense against corrosion from both air and salt water.

Featuring Delrin balls and marine grade 316 stainless steel hardware, the BLUESHARK 57mm Single Swivel Aluminum Sailing Block is a reliable option for any sailing adventure. Weighing in at only 170g, this block is lightweight yet durable. The 57mm sheave can accommodate lines up to 12mm (7/16") in diameter, making it versatile for a variety of applications.

With a working load of 1100 lb (500kg) and a breaking load of 3530 lb (1600kg), this block is designed to handle heavy loads with ease. Whether you're cruising along the coast or racing in rough waters, you can count on the BLUESHARK 57mm Single Swivel Aluminum Sailing Block to perform under pressure.

Trust BLUESHARK for all your sailing needs – our premium quality blocks are built to last. Choose the best and set sail with confidence.

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