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Check /w Forespar.Whisker Pole Maintenance Tips from FORESPAR: http://www.forespar.com/catalog/whiskerpoles/whiskerpoles.htmDo not use any oils or spray lubricants on whisker pole end fittings or tubes. Twist-lock poles have locks inside that will be permanently damaged if any lubricants are used. A simple wash down with fresh water should be all that is needed if done routinely. If not, clean twist-lock poles with soapy fresh water. If salt build-up occurs, soak with white vinegar. Vinegar will dissolve the salt without damaging any internal components. A white vinegar bath is good for salted up end fittings as well.Forespar® does not ship ends with any lubrication. The use of oils and sprays tends to attract dirt and salt as it makes the pistons "sticky". We strongly suggest not using any form of lubricants on any part of your whisker pole. Flush with fresh water regularly!