Internal Hex, Internal Torx, External Hex
1-1/8 ", 16 mm, 9/16 ", 23 mm, 5/8 "
1-1/2, 2-1/2, 1/4, 3/8, 3/4
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
3-9/16 in, 36 mm, 3/8 in, 8 in, 3/4 in, 9/16 in
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
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