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Opis:
Nothing quite as productive as testing hangers that no longer exist! Rumor has it that climbtech made a 400 series stainless steel hanger instead of 304 or 316 like many stainless hangers are made of. They are magnetic and supposedly break without stretching as much as a other stainless. They discountinued it but it was a discussion found on Mountain Project at https://www.mountainproject.com/forum/topic/117134281/id-these-mystery-hangers#ForumMessage-117134310. These were donated by Greg Barnes from the ASCA https://safeclimbing.org/
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