External Hex, Internal Hex, Internal Torx
1-5/16 ", 5.5 mm, 1-3/8 ", 5/8 ", 1-1/4 "
1, 1-1/2, 2-1/2, 3/4, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 3-9/16 in, 8 in, 3/4 in, 9/16 in, 4-3/4 in
6-Point, 8-Point, External Torx, 12-Point, 7-Point
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