Reference Ø Tube dia int / ext Max length axis / axis Min length axis / axis Stiffness (kg/mm) Ø Axis dia 331 A1 25 / 30 1320 1128 0.43 8 331 A2 25 / 30 1775 1583 0.43 8 551 B1 45 / 57 1647 1417 1.2 10 551 B2 45 / 57 1837 1607 1.2 10 551 B3 45 / 57 1987 1757 1.2 10 Z711 C1 57 / 70 2078 1888 3 12 Supplied with end adjustment. When mounted the large tube should always be uppermost.	Information notice Maintenance notice Mast set-up Yacht Information Dimensions embout Informations

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