External Hex, Internal Hex, Internal Torx, External Torx
3/16 ", 2-1/2 ", 4 mm, 5.5 mm, 1-3/8 "
3/8, 2-1/2, 1, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
2-11/16 in, 3-3/4 in, 8 in, 1-1/4 in, 58 mm
12-Point, 4-Point, 6-Point, 8-Point, 7-Point
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