External Hex, Internal Hex, Internal Torx
5/8 ", 3/16 ", 2-1/2 ", 4 mm, 1-1/2 "
1, 3/8, 3/4, 2-1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 35 mm, 3/4 in, 8 in, 1-1/8 in
8-Point, 6-Point, 7-Point, 12-Point, External Torx
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