57mm Aluminum Loop Block — Wide
Model #
24116295
Mfg #
3387
$404.99
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Harken 57mm Aluminum Loop Block — Wide
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, minimizing wear and extending component life. The shackle block design locks in two directions or swivels freely to keep line from twisting during use.
Key Features
- Robust composite aluminum body construction
- 57mm wide single sheave designed for larger diameter lines
- Torlon® roller bearings for smooth, low-friction performance
- Efficient loop attachment for easy installation
- Shackle blocks lock in two directions or swivel to prevent line twisting
- Lightweight design for minimal weight aloft
- Proven reliability under demanding sailing conditions
Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Features
Robust composite body
,
57mm wide single sheave
,
Designed for larger diameter lines
,
Efficient loop attachment
,
Smooth low-friction performance
Material
Aluminum
,
Torlon
Safe Working Load
1134 kg / 2500 lb
Weight
181.3 g
,
6.4 oz
Width
35 mm / 1 3/8 in
Sheave Diameter
63 mm / 2 1/4 in
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