100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
100 mm Black Magic Airblocks
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100 mm Black Magic Airblocks

4" Sheave Takes 5/8" (16 mm) Line
By: Harken

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Overview
The workhorse of the Harken line, the entire range 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 aluminum cheeks, and free-rolling, high-load Torlon® roller bearings for a high strength-to weight ratio.
Use them for sail controls that see lots of action — mainsheet, runner, halyard and spinnaker systems.

Easy Maintenance —
AirBlocks are easy to clean and service.
They have few parts and no loose balls or rollers to misplace.
Unlike blocks that are riveted, 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.
Captive Delrin® ball bearings carry any sideloads.

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.
UV stabilized, and PTFE-impregnated for maximum protection and a smooth, slippery surface.

• 30% lighter, 60% higher working load than equivalent sized ball bearing blocks
• High- and low-load versions
• Breaking load is 2 times safe working load
• Sheave diameter: 3.94" (100 mm)
• Dissimilar metals isolated to prevent corrosion - 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
 
PRODUCT DETAILS TABLE WITH OPTIONS AND PRICING
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Sku#Item IDHarken#AvailabilityDescriptionUOMYour PriceQTY
395060HAR 3245 3245Loading...HAR 3245 100MM LOOP BLOCKLoading...
395061HAR 3246 3246Loading...HAR 3246 100MM BLOCKLoading...
395062HAR 3247 3247Loading...HAR 3247 100MM BLOCK W/ BECKETLoading...
395063HAR 3248 3248Loading...HAR 3248 100MM DOUBLE BLOCKLoading...
395064HAR 3249 3249Loading...HAR 3249 100MM FOOTBLOCKLoading...
395065HAR 3250 3250Loading...HAR 3250 100MM DOUBLE FOOTBLOCKLoading...
395066HAR 3251 3251Loading...HAR 3251 100MM RUNNER BLOCKLoading...
395067HAR 3252 3252Loading...HAR 3252 100MM RUNNER BLOCK W/ BECKETLoading...
395068HAR 3253 3253Loading...HAR 3253 100MM TEARDROP BLOCKLoading...
395069HAR 3254 3254Loading...HAR 3254 100MM STANDUP BLOCKLoading...
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