Harken 3220 57mm Single Black Magic High-Load Footblock
HARKEN 3220
Black Magic® Aluminum Footblock - 57mm NEW!
The entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same.
Carrying some of the highest loads imposed by running rigging, this strong, lightweight block features Torlon® roller bearings housed in a center cage. Rollers stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum side plates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. This block is easily disassembled with a single hex wrench.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Use for:
Specifications:
Black Magic® Aluminum Footblock - 57mm NEW!
The entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same.
Carrying some of the highest loads imposed by running rigging, this strong, lightweight block features Torlon® roller bearings housed in a center cage. Rollers stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum side plates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. This block is easily disassembled with a single hex wrench.
Either metric or imperial flathead fasteners may be used for mounting and are not exposed.
Use for:
- Genoas
- Spinnakers
Specifications:
- Sheave Diameter - 57mm (2-1/4")
- Max Line Diameter - 7/16" (12mm)
- Fasteners - 4 x 1/4" (6mm) FH
| Mfg No. | Description | Length | Height | Max Working Load |
Breaking Load |
Weight |
| 3220 | Single / high-load | 3-5/16" (84mm) |
1" (25mm) |
2500 Lbs (1134kg) |
5000 Lbs (2268kg) |
4.29 oz. (122g) |
Harken 3220 57mm Single Black Magic High-Load Footblock
Sale price$219.95
Regular price$250.00
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Harken 3220 57mm Single Black Magic High-Load Footblock
Sale price$219.95
Regular price$250.00