Internal Hex, Internal Torx, External Hex
3/8 ", 36 mm, 2-1/2 ", 9 mm, 1-1/2 "
1-1/2, 1/4, 3/4, 1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
26 mm, E7, 8 in, 5/16 in, 17 mm
8-Point, 12-Point, 7-Point, 4-Point, External Torx
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