12 pc 1.5 mm through 17 mm (1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14 and 17mm)
Short arm series
10 through 17 manufactured in USA by Allen (the Original Manufacturer of the Hex Key),
a few of the smaller sizes are not.
Heat Treated, Tempered Alloy Steel Provides High Strength and Resistance to Rotational Distortion
Stored in a steel index case.

Condition: Excellent - don't seem to have been used much if at all other than wear on case.

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