Chouinard Alcoa aluminum carabiner. Maker's mark 'Chouinard' stamped on one side, '820 ALCOA 7075' stamped on reverse. Exact date unknown but likely produced between 1958-1968. ALCOA stands for Aluminum Company of America. 820 is thought to be a…
SMC (Seattle Manufacturing Corporation) aluminum carabiner with screw gate and pulley. Maker's mark 'SMC' stamped on one side. Exact date of production unknown, but likely between the 1970s-1990s.
Chouinard Alcoa aluminum carabiner. Maker's mark 'Chouinard' stamped on one side, '820 ALCOA 7075' stamped on reverse. Marked with a wrap of red and white tape. Exact date unknown but likely produced between 1958-1968.
REI aluminum carabiner. Maker's mark 'RECREATIONAL EQUIPMENT INC' stamped on one side. Marked with a wrap of red and white tape. Exact date of production unknown.