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The ATN Mastclimber is the only single handed bosun's chair that allows the operator to work ABOVE the mast head without leaving the chair that does not require a static line as it can fit over any existing halyard. The Mastclimber is simple to use for climbing the mast, its set up time is minimal, and its rugged and simple construction will ensure years of use, allowing you to maintain and check aloft all the standing rigging of your sailboat.
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The MastClimber uses the leg muscles to climb, allowing you to reach the mast head not exhausted by the climb, and since it rides onto a static line, taut between the deck and the mast head. The Mastclimber prevents you from swaying away from the mast, helplessly, even if the boat heels over making climbing the mast easier and safer.
The Mastclimber consists of 2 parts, a bosun's chair with back rest and one-way jammer, and leg straps, with loops for the feet, with one-way jammer.Operation of the Mastclimber for climbing the mast is done by alternatively standing up on the leg straps, which allows you to slide up the one-way jammer of the bosun's chair, then sitting onto the bos'n's chair, which allows you to slide up the one-way jammer of the leg strap, then standing up on the leg straps. To descend the mast, procedure is reversed.
1. ATN Mastclimber complete system
2. If you want to keep your existing bosun's chair, ATN now offers the MastClimber Kit, which consists of 2 Ascenders + Footstrap + Upper Extension with bag
3. Retrofit your old Topclimber with the newer, more practical ATN Ascenders
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