External Hex, Internal Hex, Internal Torx, External Torx
1-1/2 ", 1-1/8 ", 5/8 ", 5.5 mm, 21 mm
1, 3/4, 1/4, 2-1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 11/16 in, 2-7/16 in, 5/16 in, 2-15/16 in
12-Point, 4-Point, 7-Point, 8-Point, 6-Point
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