Internal Hex, Internal Torx, External Hex, External Torx
6 mm, 7/16 ", 7 mm, 5.5 mm, 1-3/8 "
2-1/2, 3/4, 1/2, 1-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-1/4 in, 4-1/8 in, 43 mm, 39 mm, 26 mm
8-Point, 4-Point, 7-Point, 12-Point, 6-Point
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