45 mm Aluminum Block — Swivel, Becket
Model #
24116352
Mfg #
3392
$312.99
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HARKEN YACHT FITTINGS 45 mm Aluminum Block — Swivel, Becket
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.
Used on offshore boats, these strong, lightweight blocks feature aluminum cheeks and free-rolling, high-load Torlon® roller bearings for a high strength-to-weight ratio. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Dirt and sand falls out between the rollers for reliable performance.
Key Features
- Low-friction efficiency with caged Torlon roller bearings for fast trim and release
- Shackle blocks lock in two directions or swivel to keep line from twisting with set screw adjustment
- Easy maintenance — quick disassembly with single hex wrench; minimal fasteners; no loose balls or rollers
- Aluminum hard-cote anodized side plates for durability and long-lasting protective finish
- 6061-T6 aluminum sideplates sculpted to remove excess weight
- Thin-profile, deep groove aluminum sheaves with radiused edges to protect high-tech lines
- 30% lighter and 60% higher working load than equivalent sized ball bearing blocks
- Dissimilar metals isolated to prevent corrosion with plastic isolators under all fastener heads
- Breaking load is 2 times safe working load
Breaking Strength
1500 kg
Length
120 mm
Material
Aluminum
Outside Diameter
45 mm
Safe Working Load
750 kg
Type
Swivel Becket Block
Weight
96 g
Sheave Diameter
45 mm
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