Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 6 mm, 15/16 ", 1-3/8 ", 5/8 "
2-1/2, 1-1/2, 1/2, 1/4, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
2-1/4 in, 35 mm, 1-1/8 in, 8 in, 4-3/4 in
4-Point, 12-Point, 8-Point, 7-Point, 6-Point
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