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Harken 57mm Aluminum Loop Block Black Magic 3214
€254.95
Viking Marine
Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. The sheave center carries primary load, allowing a smaller, lighter weight block. The soft-attachment Loop block has a removable deadend post for attachment to a padeye. Lashings can also be used. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Sheave Ø (mm)
57 mm
Sheave Ø (in)
2 1/4 in
Length (mm)
76 mm
Length (in)
3 in
Weight (g)
92 g
Weight (oz)
3.23 oz
Maximum line Ø (mm)
12 mm
Maximum line Ø (in)
7/16 in
Maximum working load (kg)
1134 kg
Maximum working load (lb)
2500 lb
Breaking load (kg)
2268 kg
Breaking load (lb)
5000 lb
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