Designed by ATN and manufactured by CMI, this is the only ascender conceived to operate in a marine environment; manufactured with Stainless Steel, it will not rust.
Its open design allows it to be fitted OVER the taught halyard / synthetic shroud / stay. From 3/8" up to 5/8".
It allows the sailor to climb the mast alone. It can also be used as a safety, in conjunction with the
ATN Mastclimber.