Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 7 mm, 1-5/16 ", 1-3/8 "
1/4, 2-1/2, 1-1/2, 1, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
3/4 in, 9/16 in, 8 in, 21 mm, 58 mm, 15/16 in
8-Point, 12-Point, 6-Point, 4-Point, 7-Point
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