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