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