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