Internal Hex, Internal Torx, External Hex, External Torx
9/32 ", 2-1/2 ", 30 mm, 1-3/8 ", 5/8 "
1/2, 1, 1/4, 2-1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-3/4 in, 8 in, 11 mm, 4-1/16 in, 17 mm
4-Point, 6-Point, 12-Point, 7-Point, 8-Point
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