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Unit 2 MKIV Jib Furling System

Part No. 7412.10

Wire Ø (1 x 19 SS) (mm) 10 mm

Wire Ø (1 x 19 SS) (in) 5/16 in

Rod Ø (mm) 9.53 mm

Rod Ø (dash) -22

Clevis pin Ø (mm) 19.1 mm

Clevis pin Ø (in) 5/8 in

MKIV furling systems are strong, lightweight and aerodynamic, with the performance and features Harken® is known for. Longevity, ease of use, and simplicity of installation are crucial components of the design.
Wire Ø (1 x 19 SS) (mm)10 mm
Wire Ø (1 x 19 SS) (in)5/16 in
Rod Ø (mm)9.53 mm
Rod Ø (dash)-22
Clevis pin Ø (mm)19.1 mm
Clevis pin Ø (in)5/8 in
Standard headstay length (m)18.38 m
Standard headstay length (ft in)60'4" ft in
Maximum headstay length (m)20.51 m
Maximum headstay length (ft in)67' 4" ft in
A (mm)143 mm
A (in)5 5/8 in
B (mm)231 mm
B (in)9 1/8 in
C (mm)66 mm
C (in)2 9/16 in
D (mm)208 mm
D (in)8 3/16 in
E (mm)97 mm
E (in)3 13/16 in
F maximum (mm)1314 mm
F maximum (in)51 3/4 in
F minimum (mm)1187 mm
F minimum (in)46 3/4 in
G maximum (mm)384 mm
G maximum (in)15 1/8 in
G minimum (mm)306 mm
G minimum (in)12 1/16 in
H maximum (mm)348 mm
H maximum (in)13 15/16 in
H minimum (mm)276 mm
H minimum (in)10 7/8 in
I maximum (mm)164 mm
I maximum (in)6 7/16 in
I minimum (mm)85 mm
I minimum (in)3 3/8 in
J (mm)32 mm
J (in)1 1/4 in
K (mm)36 mm
K (in)1 3/8 in
Extrusion length (m)2.13 m
Extrusion length (ft in)7' ft in
Luff tape size (mm)5 mm
Luff tape size (in)#6 (6/32) in
ID BOM Qty Price
2117 - more info $21.40
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8mm Bow Shackle

Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Bow shackles are best for multidirectional loads. Their large interior opening allows plenty of articulation especially when attached to a round bail.

7412.30 - more info

Unit 2 MKIV Foil — 2.13 m

Aerodynamic aluminum Air Foils® handle extreme reefing loads. Double foil grooves allow fast hoists, douses, and sail changes.

7412.31 - more info $52.00
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Unit 2 MKIV Foil Connector Set — 229mm

C-shaped open connectors with low-friction plastic isolators slip onto the headstay wire and into foil for easy installation.

HFG235 - more info $219.00
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Polyester Double-Braid Line — 8 mm x 30.5 m

Specially formulated low-stretch line is abrasion and UV resistant.

H-39559 - more info $45.00
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Feeder Assembly - MKIV Unit 2

H-39794 - more info $580.00
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Halyard Swivel - Furling MKIV 2 without Shackles

HFG296 - more info $60.00
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Connector Bushing Set - MKIV 2

HFG300 - more info $14.00
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Wedge Set - MKIV 2

HFG348 - more info $20.00
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Connector Fastener Set - MKIV 2

HFG626 - more info

Connector Set - MKIV 2

HFG672 - more info $4.00
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Fastener Set - 2, 3, 4 MKIV Trim Cap

HFG681 - more info $20.00
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Trim Cap Set - MKIV 2

HFG689 - more info $45.00
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Top Cover Assembly - MKIV/Cruising 2

HFG691 - more info $300.00
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Guard Assembly - MKIV 2

HFG697 - more info

Torque Tube Clamp with Fastener - MKIV 2

HFG690 - more info $40.00
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Unit 2 MKIV Bottom Flange Assembly - Drum

7412.10BASE - more info

Unit 2 MKIV Lower Unit

Aluminum line guard and torque tube are deep-saturation hardcoat-anodized, UV-stabilized for durability. Large inner spool diameter increases mechanical advantage for powerful reefing and furling.

7412.33 - more info

Unit 2 MKIV Foil - 0.61 m

Aerodynamic, clear-anodized aluminum Air foils handle extreme reefing loads.

7412.32 - more info $89.00
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Unit 2 MKIV Bottom Connector with Bushings

Triple-interlock foil joints withstand years of torque loading: foil connectors geometric shape interlocks with foil; secures with syringe-injected adhesive; screws provide final lock.