Harken 57 mm Aluminum Loop Block

The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling, high-load Torlon® roller bearings for a high strength-to-weight ratio. The soft-attachment Loop block has a removable deadend post for attachment to a padeye. Lashings can also be used.