Harken 3216 57mm Single Black Magic High-Load Airblock Swivel Block With Becket
HARKEN 3216
Single Black Magic® AirBlock® with Becket - 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.
Used on offshore boats, these strong, lightweight blocks feature high-load Torlon® roller bearings for a high strength-to-weight ratio and reduced wear. Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum side plates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. Like all Black Magic® AirBlocks®, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.
Standard blocks have 17-4 PH stainless head posts.
Use for:
Specifications:
Single Black Magic® AirBlock® with Becket - 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.
Used on offshore boats, these strong, lightweight blocks feature high-load Torlon® roller bearings for a high strength-to-weight ratio and reduced wear. Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum side plates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. Like all Black Magic® AirBlocks®, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.
Standard blocks have 17-4 PH stainless head posts.
Use for:
- Sheets
- Halyards
- Running backstays
- Control lines
Specifications:
- Sheave Diameter - 57mm (2-1/4")
- Max Line Diameter - 7/16" (12mm)
| Mfg No. | Description | Length | Shackle Pin Diameter |
Max Working Load |
Breaking Load |
Weight |
| 3216 |
Single / swivel / becket |
5-1/2" (140mm) |
1/4" (6mm) |
2500 Lbs (1134kg) |
5000 Lbs (2268kg) |
5.86 oz. (166g) |
Harken 3216 57mm Single Black Magic High-Load Airblock Swivel Block With Becket
Sale price$292.95
Regular price$333.15
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Harken 3216 57mm Single Black Magic High-Load Airblock Swivel Block With Becket
Sale price$292.95
Regular price$333.15