45 mm Aluminum Stand-up Block
Model #
24116386
Mfg #
3395
$402.99
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Harken 45 mm Aluminum Stand-up Block
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 including 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.
Key Features
- Easy Maintenance — AirBlocks are easy to clean and service with few parts and no loose balls or rollers to misplace. Fasteners allow quick disassembly with a single hex wrench.
- Low Friction Caged Bearings — Roller bearings are housed in a unique center cage that keeps them separated and parallel for lower friction. Dirt and sand falls out between the rollers.
- Strong, Lightweight Sideplates and Sheaves — 6061-T6 aluminum sideplates are sculpted to remove excess weight. Thin-profile, deep groove aluminum sheaves have radiused edges to protect high-tech lines.
- Long-lasting Protective Finish — Sheaves and sideplates are deep-saturation Hard Lube-anodized for strength and durability.
- 30% lighter, 60% higher working load than equivalent sized ball bearing blocks.
- High- and low-load versions available.
- Breaking load is 2 times safe working load.
- Dissimilar metals isolated to prevent corrosion with plastic isolators under all fastener heads and headposts.
- Three-way head — set screw locks shackle in front or side positions, or lets block swivel to keep line from twisting.
Breaking Strength
1500 kg
Length
94 mm
Material
aluminum
Safe Working Load
750 kg
Width
112 mm
Sheave Diameter
45 mm
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