External Hex, Internal Hex, Internal Torx
3/16 ", 2-1/2 ", 20 mm, 7/8 ", 1-1/4 "
1, 1-1/2, 3/4, 3/8, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
200 mm, 3-9/16 in, 8 in, 28 mm, 2-1/2 in
External Torx, 7-Point, 12-Point, 6-Point, 4-Point
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