External Hex, Internal Hex, Internal Torx, External Torx
3/16 ", 2-1/2 ", 4 mm, 5/16 ", 1-1/8 "
1/2, 3/4, 1/4, 3/8, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
36 mm, 30 mm, 8 in, 4-1/16 in, 2-15/16 in
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
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