Internal Hex, Internal Torx, External Hex, External Torx
16 mm, 2-1/2 ", 4 mm, 5/8 ", 7/8 "
3/8, 2-1/2, 3/4, 1/4, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 3-3/4 in, 36 mm, 8 in, 4-1/16 in
8-Point, 12-Point, 7-Point, 4-Point, 6-Point
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