Internal Hex, Internal Torx, External Hex
9/32 ", 2-1/2 ", 5/16 ", 9 mm, 1-3/8 "
1-1/2, 2-1/2, 3/8, 1/4, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-15/16 in, 8 in, 1-1/8 in, 58 mm, 2-15/16 in
External Torx, 12-Point, 6-Point, 7-Point, 4-Point
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