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Harken 40mm Airblock Fixed



Harken Airblock Fixed HK-2650
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Item #: HK2650
Carbo AirBlocks® are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.
Carbo AirBlocks® are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.
EX1308
The nylon-resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Sheaves spin on high-load ball bearings with fitted races for low-friction operation. Ball bearings, sheave and sideplates UV stabilized with black additive for maximum protection. Use for main and jib sheets, mainsheet fine-tune, control lines, vangs, cunninghams and outhauls.
  • Description: 90 deg. fixed head
  • Sheave dia. (in): 1 9/16
  • Sheave dia. (mm): 40
  • Length (in): 2 15/16
  • Length (mm): 75
  • Weight w/shackle (oz): 1.6
  • Weight w/shackle (g): 44
  • Shackle pin dia. (in): -
  • Shackle pin dia. (mm): -
  • Max. line dia. (in): 3/8
  • Max. line dia. (mm): 10
  • Max. working load (lb): 485
  • Max. working load (kg): 220
  • Breaking load (lb): 1620
  • Breaking load (kg): 735

Product TypeBlocks - Medium

Customer Reviews

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable.These are features all sailors look for when choosing sail controls and a real breakthrough in block design. Companions to Harken’s® popular Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows. Sideplates of high-strength engineering resin are UV stabilized to provide excellent protection against long-term exposure to salt water and sun. Carbo blocks are perfect for the small-diameter hard lines favored by racers.


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