Item #868882

Harken MKIV Unit 1 Jib Reefing and Furling System - 7411.10

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Image of : Harken MKIV Unit 1 Jib Reefing and Furling System - 7411.10 Harken MKIV Unit 1 Jib Reefing and Furling System - 7411.10 Item # 868882

Description

The Harken MKIV Unit 1 Jib Reefing and Furling System is a strong, lightweight and aerodynamic furling systems designed for racing and performance-minded cruising sailors. Its free-rolling furlers ensure headsail control by allowing racers and cruisers to quickly furl and reef from the safety of the cockpit while maintaining optimal sail shape and speed.

Features:

  • Easy to assemble and adaptable to a variety of rigging options
  • C-shaped open connectors with low-friction plastic isolators slip easily onto headstay wire and into foil
  • Harken toggle assembly accepts standard turnbuckle using swage, rod, Norseman® or Sta-Lok® terminals
  • Toggle flips for fork or tang chainplates installation
  • Single stainless steel clevis pin provides access to turnbuckle for adjustment
  • Head and tack swivels featuring Torlon® ball bearings operate independently to improve the shape of a partially furled sail for added power through the water
  • Strong but lightweight halyard swivel reduces windage and weight aloft to minimize pitching and heeling
  • Stacked bearing races evenly distribute loads to ball bearings foils turn freely under halyard loads
  • Tough triple-lock foil joints withstand years of torque loading
  • Large inner spool diameter increases mechanical advantage for powerful reefing and furling
  • Unit rotates around headstay furling bearings do not carry headstay load
  • Line guard and spool easily removed for racing
  • Double foil grooves allow fast hoists, douses and sail changes
  • Aluminum line guard, torque tube and swivels are deep-saturation hard coat-anodized for UV stabilization, strength and durability
    • Urethane-coated anodized line guard
    • Specially formulated low-stretch black line (standard on MKIV units 0, 1 and 2)
    • Abrasion and UV-resistant black extrusions
  • Typical boat length: 28' - 36'
  • Headstay length: 45' 11" standard / 52' 11" max
  • Headstay diameter:
    • Wire: 1/4", 9/32", 5/16"
    • Rod: -8, -10, -12
  • Clevis pin diameter: 1/2", 5/8"
  • Do not use Harken Equipment for human suspension

Notes:

  • Do not use Harken Equipment for human suspension
  • Toggle assembly required but not included must be ordered separately
Specifications:

Jib Reefing & Furling Product Information

Harken MKIV Unit 1 Jib Reefing and Furling System Installation Manual (4.88 MB)

Part Numbers for Harken MKIV Unit 1 Jib Reefing and Furling System - 7411.10

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