Internal Hex, Internal Torx, External Hex, External Torx
3/16 ", 2-1/2 ", 30 mm, 18 mm, 1-3/8 "
1-1/2, 2-1/2, 1/2, 1, 3/4
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
8 in, 13 mm, 58 mm, 3/4 in, 9/16 in, 2-1/2 in
8-Point, 12-Point, 7-Point, 4-Point, 6-Point
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