BLUESHARK 57mm Single Swivel Torlon Roller Aluminum Sailing Block

Aluminum Bearing Block

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Harken 57mm Carbo Quad Block - Swivel

BLUESHARK 57mm Single Swivel Aluminum Sailing Block

92076- RATCHET- SINGLE SWIVEL WITH CAM- SAILBOAT BLOCK

Anodized aluminum high strength construction, fully hardcoat anodized, The Delrin balls and 316 stainless steel hardware are suitable for small boats

Blue shark-Sailing Pulley Aluminum Blocks Ball Bearing 57mm Single Swivel 2310

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.Like all Black Magic blocks, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.Torlon is a registered trademark of Solvay Advanced Polymers.