Harken 3234 75mm Single Black Magic High-Load Footblock
HARKEN 3234
Single Black Magic® Footblock AirBlock® - 75mm 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.
Use for:
Specifications:
Single Black Magic® Footblock AirBlock® - 75mm 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.
Use for:
- Sheets
- Halyards
- Running backstays
- Control lines
Specifications:
- Sheave Diameter - 75mm (2-15/16")
- Max Line Diameter - 9/16" (14mm)
Mfg No. | Description | Length | Number of Fasteners | Max Working Load |
Breaking Load |
Weight |
3234 | Footblock | 4-3/8" (111mm) |
4 | 5,250 Lbs (2380kg) |
10,500 Lbs (4762kg) |
9.76 oz. (277g) |
A (mm)11.5 mm
A (in)15/32 in
B (mm)28.5 mm
B (in)1 1/8 in
C (mm)70.5 mm
C (in)2 3/4 in
D (mm)21 mm
D (in)13/16 in
E (mm)77 mm
E (in)3 in
F (mm)110 mm
F (in)4 5/16 in
G (mm)17 mm
G (in)21/32 in
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Harken 3234 75mm Single Black Magic High-Load Footblock
Sale price$405.95
Regular price$461.60