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Harken Black Magic 57mm Footblock Double
Black Magic® AirBlocks®
The entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, perfor- mance-packed engineering remains exactly the same.
57mm Footblocks:
Carrying some of the highest loads imposed by running rigging, these strong, lightVikt blocks feature Torlon® roller bearings housed in a center cage. Rollers stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. Blocks are easily disassembled with a single hex wrench.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Use 57mm Footblocks for:
Genoas
Spinnakers
Part No. 3220
Sheave Ø (mm) 57 mm
Sheave Ø (in) 2 1/4 in
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
| Tillverkarens artikelnummer: | 3222 |
|---|---|
| Underkategori: | Fotblock |
| Variant: | Black Magic |
| Diameter (mm): | 57.0 |
| Bredd (mm): | 57.0 |
| Höjd (mm): | 46.0 |
| Längd (mm): | 84.0 |
| SWL (kg): | 750 |
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