External Hex, Internal Hex, Internal Torx, External Torx
7/32 ", 2-1/2 ", 4 mm, 1-3/8 ", 5/8 "
1-1/2, 1/2, 3/8, 3/4, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 39 mm, 1-3/8 in, 7/8 in, 5/16 in
8-Point, 7-Point, 6-Point, 4-Point, 12-Point
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