Internal Hex, Internal Torx, External Hex, 6-Point
2-1/2 ", 7/16 ", 5.5 mm, 5/8 ", 1-3/8 "
1/2, 1, 2-1/2, 1/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
43 mm, 58 mm, 4-3/4 in, 7/8 in, 2-1/2 in
External Torx, 4-Point, 8-Point, 7-Point, 12-Point
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