This is a very good condition pair of vintage Chouinard reverse locking (a.k.a. down locking) pearabiners/carabiners. I think these come in various ratings, this pair is rated at 1800 Kg. I bought these new, in the late 1980's or so, to give a rough idea of the era they came from. Never abused and always stored indoors. Total of two included in auction.