External Hex, Internal Hex, Internal Torx
1-1/8 ", 10 mm, 1/4 ", 5/8 ", 1-1/4 "
1/4, 3/4, 1/2, 1-1/2, 2-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
15/16 in, 8 in, 5/8 in, 3/4 in, 9/16 in, 39 mm
7-Point, 12-Point, 8-Point, 6-Point, 4-Point
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