Internal Hex, Internal Torx, External Hex
2-1/2 ", 1 ", 4 mm, 9 mm, 1-1/4 "
1-1/2, 3/4, 1/4, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
2-1/4 in, 5 mm, 8 in, 4-3/4 in, 13 mm
8-Point, External Torx, 4-Point, 12-Point, 7-Point
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