Workers at the Leningrad Experimental Shipyard made a variety of climbing gear in the 1980s when commercial gear was not available in the USSR.
Regarding the markings, “ОТК” is the Russian abbreviation for "Отдел Технического Контроля" meaning “Technical Control Department.”
Channels
↑ Set 567-570: Leningrad Experimental Shipyard Channels
- Made in Russia [ca. 1992].
- Titanium alloy.
↑ 567: Leningrad Experimental Shipyard Channel
- Made in Russia [1992].
- Weight: 44 g.
- Overall Length: 127 mm.
- Effective size: 80x10 mm.
- Titanium alloy.
- The tip of the spine is stamped with "OTK," the Leningrad Experimental Shipyard logo, "600," and the date "2 92."
- From Mike Gerbman, 2025.
↑ 568: Leningrad Experimental Shipyard Channel
- Made in Russia [1992].
- Weight: 53 g.
- Overall Length: 144 mm.
- Effective size: 100x13 mm.
- Titanium alloy.
- The tip of the spine is stamped with "OTK," the Leningrad Experimental Shipyard logo, "600," and the date "2 92."
- From Mike Gerbman, 2025.
↑ 569: Leningrad Experimental Shipyard Channel
- Made in Russia [ca. 1992].
- Weight: 86 g.
- Overall Length: 165 mm.
- Effective size: 120x18 mm.
- Titanium alloy.
- The tip of the spine is stamped with "OTK," the Leningrad Experimental Shipyard logo, "800," and the date "2–9[missing]."
- From Mike Gerbman, 2025.
↑ 570: Leningrad Experimental Shipyard Channel
- Made in Russia [ca. 1992].
- Weight: 104 g.
- Overall Length: 165 mm.
- Effective size: 120x24 mm.
- Titanium alloy.
- The tip of the spine is stamped with "OTK," the Leningrad Experimental Shipyard logo, "800," and the date "2–9[missing]."
- From Mike Gerbman, 2025.
