Product

HARKEN BLACK MAGIC 125MM LOOP BLOCK

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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.

Sheave Ø (mm)
125 mm

Sheave Ø (in)
4 15/16 in

Length (mm)
163 mm

Length (in)
6 in

Width (mm)
127 mm

Width (in)
5 in

Weight (g)
674 g

Weight (oz)
23.78 oz

Maximum line Ø (mm)
19 mm

Maximum line Ø (in)
3/4 in

Maximum working load (kg)
4990 kg

Maximum working load (lb)
11000 lb

Breaking load (kg)
9977 kg

Breaking load (lb)
22000 lb