External Hex, Internal Hex, Internal Torx
4 mm, 7/16 ", 18 mm, 5/8 ", 1-3/8 "
1, 3/4, 2-1/2, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 8 in, 43 mm, 2-1/2 in, 15/16 in
8-Point, 6-Point, 12-Point, 7-Point, 4-Point
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