Internal Hex, Internal Torx, External Hex
3/16 ", 2-1/2 ", 4 mm, 7 mm, 5/8 "
1/2, 1/4, 3/8, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
33 mm, 2-1/2 in, 1-3/8 in, 13 mm, 3-3/8 in
12-Point, 6-Point, External Torx, 7-Point, 4-Point
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