Ball raced universal item for round or GROOVY mast, 11.0/11.1 and 12.7/12.8 mm diameter masts, use with SAILSetc boom.Downloadable drawing.The body of this gooseneck clips directly onto any 12.5 to 13.0 mm diameter mast. It is supplied with a length of 12.8 mm tube which can be used to fit this gooseneck onto masts up to 11.4 mm diameter. The injection moulded body is the right size to fit the mast gate of all SAILSetc IOMs and helps avoid corrosion at this critical point on the mast.
