Section 30 was developed from a Briand aluminium mast section with principle dimension 160*103mm. Used on a selection of 30 to 35fters this section is available with a range of stiffnesses. The mould has a tapered top section but can still be reinforced to achieve required stiffness for masttop spinnaker and gennakers. This section is available with a recess to facilitate installation of either Ronstan or Antal mast rails
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