Internal Hex, Internal Torx, External Hex
1-5/16 ", 20 mm, 9/16 ", 1-3/8 ", 5/8 "
1-1/2, 2-1/2, 1, 3/4, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 7/16 in, 58 mm, 4-3/4 in
4-Point, 6-Point, 7-Point, 12-Point, External Torx
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