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5mm Ultra Warm neoprene
Fits inside boom to provide support and strength
keeping its re-sell value and also providing better performance of parts such as mast sections
we have spliced a generous loop in the end of the line
3mm Supratex seat for durability
HARKEN MAINSHEET BOOM BLOCK SET cunningham 5mm Ultra Warm neopreneThis ILCA Laser Harken Mainsheet Boom Block set includes all the blocks you need to upgrade your mainsheet system to top of the line ILCA class legal Harken ball bearing blocks. This is a must have if you're racing and is compatible with all years and rig styles. Includes: Forward Mainsheet Harken Ball Bearing Boom Block Rear Mainsheet Harken Ball Bearing Boom Block with Becket Double Traveler Harken Ball Bearing Block
