External Hex, Internal Hex, Internal Torx
4 mm, 5/16 ", 1-5/16 ", 5/8 ", 35 mm
1, 2-1/2, 1-1/2, 3/4, 1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 4-1/16 in, 13 mm, 1-1/8 in
4-Point, 6-Point, 12-Point, 7-Point, External Torx
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