188
Essence 33, 10.13 m, Hoek Design, Essence Yachts © Michel Hof/Essence Yachts photo
7420 -4
7421 -6
7422 -8
7423 -10
7424 -12
7510.31
7511.31
7410.20 5/16
7410.20 3/8
7410.20 7/16
7411.20 1/2
7311.20 1/2
7311.20 5/8
7311.21 1/2 
7311.21 5/8
7510.10
7511.10
7510.30
7511.30
7310.21 5/16
7310.21 3/8
7310.21 7/16
7310.21 5/16, 7310.21 3/8, 7310.21 7/16
7310.21 5/16
7310.21 3/8
7310.21 7/16
*Use with conventional turnbuckle.
*Use with conventional turnbuckle.
MKIV Ocean Unit 0
Typical Boat Length 6.5 - 9.1 m (22' - 30')
Wire Ø (1 x 19 SS)
Rod Ø
Clevis pin Ø
4, 5, 6 mm (5/32", 3/16", 7/32")
-4, -6 (4.37, 5.03 mm)
7.9, 9.5, 11.1 mm (5/16", 3/8", 7/16" )
Headstay Length Standard 11.77 m (38'7"); max 13.9 m ( 45'7")
Part No. 
Description
 7510.10 
 Furling system 
 Toggle Assembly Required - sold separately 
 7410.20 5/16 
 Eye/jaw reversible toggle assembly with 7.9 mm (5/16") clevis pin 
 7410.20 3/8 
 Eye/jaw reversible toggle assembly with 9.5 mm (3/8") clevis pin 
 7410.20 7/16 
 Eye/jaw reversible toggle assembly with 11.1 mm (7/16") clevis pin 
 Long link plate with toggle assembly with 7.9 mm (5/16") clevis pin 
 Long link plate with toggle assembly with 9.5 mm (3/8") clevis pin 
 Long link plate with toggle assembly with 11.1 mm (7/16") clevis pin 
 Optional Parts 
 7510.30 
 Extra 2.13 m (7') luff foil extrusion 
 7510.31 
 Extra 153 mm (6") connector with bushings 
 7420 -4 
 -4 rod adaptor stud (thread Ø UNF 7/16") *
 7421 -6 
 -6 rod adaptor stud (thread Ø UNF 7/16") *
MKIV Ocean Unit 1
Typical Boat Length 8.3 - 11 m (28' - 36')
Wire Ø (1 x 19 SS)
Rod Ø
Clevis pin Ø
6, 7, 8 mm (1/4", 9/32", 5/16")
-8, -10, -12 (5.72, 6.35, 7.14 mm)
12.7, 15.9 mm (1/2", 5/8")
Headstay Length Standard 13.99 m (45'11"); max 16.12 m (52'11")
Part No. 
Description
 7511.10 
 Furling system 
 Toggle Assembly Required - sold separately 
 7411.20 1/2 
 Eye/jaw reversible toggle assembly with 12.7 mm (1/2") clevis pin 
 7311.20 1/2 
 Jaw/jaw toggle assembly with 12.7 mm (1/2") clevis pin 
 7311.20 5/8 
 Stud/jaw toggle assembly with 15.9 mm (5/8") clevis pin (thread Ø UNF 5/8" LH) 
 7311.21 1/2 
 Long link plate with toggle assembly with 12.7 mm (1/2") clevis pin 
 7311.21 5/8 
 Long link plate with toggle assembly with 15.9 mm (5/8") clevis pin 
 Optional Parts 
 7511.30 
 Extra 2.13 m (7') luff foil extrusion 
 7511.31 
 Extra 178 mm (7") connector with bushings 
 7422 -8 
 -8 rod adaptor stud (thread Ø UNF 1/2") *
 7423 -10 
 -10 rod adaptor stud (thread Ø UNF 1/2") *
 7424 -12 
 -12 rod adaptor stud (thread Ø UNF 5/8") *
NEW

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