External Hex, Internal Hex, Internal Torx
1-5/16 ", 20 mm, 15/16 ", 1-3/8 ", 5/8 "
1-1/2, 2-1/2, 3/4, 3/8, 1
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-15/16 in, 8 in, 43 mm, 2-1/2 in, 2-7/16 in
12-Point, External Torx, 7-Point, 6-Point, 4-Point
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