Internal Hex, Internal Torx, External Hex
2-1/2 ", 25 mm, 5.5 mm, 15/16 ", 1-3/8 "
3/4, 1/4, 2-1/2, 1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 4-1/16 in, 33 mm, 1-3/8 in
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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