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