Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 10 mm, 1/4 ", 1-3/8 "
1, 1-1/2, 2-1/2, 1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 33 mm, 3/4 in, 9/16 in, 35 mm, 3-3/8 in
External Torx, 8-Point, 4-Point, 6-Point, 7-Point
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