External Hex, Internal Hex, Internal Torx, External Torx
4 mm, 5/8 ", 15/16 ", 1-3/8 ", 1-1/4 "
1-1/2, 3/8, 1/2, 1/4, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-3/4 in, 11 mm, 8 in, 35 mm, 3-3/8 in
6-Point, 8-Point, 12-Point, 4-Point, 7-Point
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