The 
“Telescopicvang” is a compact, mechanical system which replaces the classic vang, and topping lift features. The Telescopicvang body already possesses an internal reduction between 3:1 and 5:1 depending on the model. In conjunction with an external tackle, it provides even more power, with a relation up to 40:1, making it an economical and viable alternative to hydraulic systems.
The stainless steel spring allows for the boom to be positioned at the ideal height substituting the topping lift. This facilitates the reefing maneuvers, eliminating the need for an additional operation. The Telescopicvang is made of aluminum hard anodized and teflonized. It is available in four sizes for boats between 8 to 16 meters (24 and 55 feet). The hardware for mounting the vang on the boom and mast, as well the external tackles, is sold separately.
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