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Open-end Wrench (1972):

Marking: "SELECTED STEEL" (most likely in earliest production in 1972)

5 Wrenches: 8/9, 10/11, 12/13, 14/15, 17/19

Decal: no decal

Ends: Forged unfinished ends

Finish: Satin Silver Finish

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Open-end Wrench (1973-1973.5):

Marking: "SELECTED SPECIAL STEEL" (more common, 1973 and 1973.5)

5 Wrenches: 8/9, 10/11, 12/13, 14/15, 17/19

Decal: no decal

Ends: Forged unfinished ends

Finish: Satin Silver Finish

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Open-end Wrench: (another possible option presented in literature)

Marking: "DIN 895" "WEST GERMANY"

5 Wrenches: 8/9, 10/11, 12/13, 14/15, 17/19

Decal: no decal

Ends:  Forged unfinished ends

Finish: Satin Silver Finish

Reference: Book by Drs. Gruber and Konradsheim 

Boxed Wrench (1964-1977)

Size 19 x 22mm

Marking "CHROM-VANADIUM"

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