Internal Hex, Internal Torx, External Hex
1/4 ", 5/16 ", 1-1/8 ", 16 mm, 5/8 "
3/4, 1/4, 2-1/2, 3/8, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 1-3/4 in, 58 mm, 3/4 in, 9/16 in
12-Point, 7-Point, 4-Point, 6-Point, 8-Point
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