Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 1-1/8 ", 5/8 ", 1-3/8 ", 21 mm
1/4, 1-1/2, 1/2, 3/4, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
58 mm, 3/4 in, 9/16 in, 4-3/4 in, 39 mm, 2-1/2 in
4-Point, 6-Point, 7-Point, 12-Point, 8-Point
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