Internal Hex, Internal Torx, External Hex
20 mm, 5.5 mm, 1-3/8 ", 5/8 ", 1-1/4 "
1-1/2, 1/2, 3/4, 3/8, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
11 mm, 8 in, 16 mm, 58 mm, 3-3/8 in
8-Point, 6-Point, 4-Point, 12-Point, 7-Point
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