The MACK PACK semi-automatic mainsail cover and lazy jack combination

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No mainsail retrofitting. Simply install on your mast and boom - for full-batten, conventional, or no-batten mains.
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Your choice of SUNBRELLA fabric to match your present color.
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No need to tie down your sail. Simply drop the main into the MACKPACK and zip it up.
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Lazy jacks are made up using Harken blocks, Ronstan cleats, stainless steel eyes & fasteners, and New England Sta-Set Dacron rope.
Visit Mack Sails today and order your Mack Pack!