Internal Hex, Internal Torx, External Hex
5/16 ", 5.5 mm, 23 mm, 1-3/8 ", 7/8 "
1-1/2, 3/4, 1/2, 2-1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
36 mm, 8 in, 4-1/16 in, 28 mm, 3-3/8 in
12-Point, External Torx, 8-Point, 7-Point, 4-Point
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