Fritsch ring angle pitons - Angle piton and Wide Angle piton
c. late 1950s/1960s
REI 1962 catalog. What is shown here is possibly when the Fritsch Wide Angle piton first became available. Item #RA4 - Swiss Wide Angle, "available in May"
Drawing of item not shown.
late 1950s/early 1960s vertical Fritsch piton shown on ebay 4/2023