Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 1-1/8 ", 15/16 ", 1-3/8 "
3/8, 3/4, 2-1/2, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
54 mm, E7, 8 in, 58 mm, 39 mm
6-Point, 12-Point, 7-Point, 8-Point, External Torx
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