b'MKIV Underdeck Unit 0 Typical Boat Length 6.7 - 9.1 m (22\' - 30\')Wire(1 x 19 SS) RodClevis pin 5, 6 mm (3/16", 7/32") -4, -6 (4.37, 5.03 mm) Headstay Length Standard 11.7 m (38\'4"); max 13.8 m (45\'4")Part No.Description7410.11Furling systemOptional Parts 7410.30Extra 2.13 m (7\') luff foil extrusion 7410.31Extra 165 mm (6 1/2") connector with bushingsAll MKIV Underdeck furlers featureMKIV Underdeck Unit 1a ball bearing halyard swivel.Typical Boat Length 8.3 - 11 m (28\' - 36\')Wire(1 x 19 SS) RodClevis pin 6, 7, 8 mm (1/4", 9/32", 5/16") -8, -10 (5.72, 6.35 mm) 12.7 mm (1/2") 7410.30Headstay Length Standard 13.99 m (45\'11"); max 16.12 m (52\'11") 7411.30Part No.Description 7411.11 1/2Furling system with 12.7 mm (1/2") clevis pin Optional Parts7411.30Extra 2.13 m (7\') luff foil extrusion7411.31Extra 178 mm (7") connector with bushings7410.31Dimensions 7411.31A CPart Min Max B Min MaxUnit No. in mm in mm in mm in mm in mm0 7410.116 7/817530.4 5 1 7411.11 1/210 5/827015 5/83971404 5/81179 5/8244 5 1/2 J/122J/Boats 7410.11AB7411.11 1/2BA C180'