Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 1 ", 5/16 ", 25 mm, 1-5/16 "
1-1/2, 3/4, 3/8, 2-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-3/4 in, 3/4 in, 9/16 in, 4-3/4 in, 35 mm, 3-3/8 in
12-Point, 8-Point, 6-Point, 7-Point, 4-Point
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