Internal Hex, Internal Torx, External Hex, External Torx, 6-Point
2-1/2 ", 4 mm, 25 mm, 1-1/8 ", 1-3/8 "
2-1/2, 1, 1/2, 1-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
1-3/4 in, 5/8 in, 4-3/4 in, 39 mm, 15/16 in
12-Point, 4-Point, 7-Point, 8-Point
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