Got to see this beauty while visiting a Swiss bunker complex last summer. Zielfernrohr Karabiner 55 (ZfK55), 7.5x55mm Swiss. [more pics in comments] : r/guns
Hot Steel Bent Karabiner | Salewa® Schweiz
Silikon-Kautschuk, 500 g | VBS Hobby Bastelshop
Karabiner - Parts
Karabiner - Parts
LAUT Huex Elements Case für Apple AirPods Pro, Marble Black kaufen | DQ Solutions Shop
Safety hook screws for swings with metric thread and three hex nuts | Eye bolts and lifting eye bolts | Screws | Standard fastening elements | Fastening technology | Products | Bossard Switzerland