[Marine Tides sailtrack]
A very low-friction mainsail and ram system designed to meet the problem of raising and lowering mainsails, this product has been manufactured in the United States by Tides Marine for several years.
Made to measure exactly to the throat of the mast and easy to install yourself, this rail will allow a large number of boaters to benefit from a simple, reliable and efficient system.
More information from Nautex: http://www.nautex-international.com/contact.html