Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-1/2 ", 18 mm, 1-3/8 "
1-1/2, 2-1/2, 3/8, 1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
36 mm, 7/8 in, 3-9/16 in, 8 in, 3/4 in, 9/16 in
External Torx, 7-Point, 8-Point, 6-Point, 4-Point
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