External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 5/8 ", 1-3/8 ", 7/8 "
1, 1-1/2, 3/4, 1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
33 mm, E7, 3-3/4 in, 3/8 in, 8 in
8-Point, External Torx, 12-Point, 6-Point, 7-Point
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