Internal Hex, Internal Torx, External Hex
1-5/16 ", 23 mm, 5/8 ", 7/8 ", 1-1/4 "
1-1/2, 2-1/2, 1/4, 1, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3 in, 3-3/4 in, 8 in, 33 mm, 4-3/4 in
External Torx, 7-Point, 4-Point, 6-Point, 8-Point
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