Internal Hex, Internal Torx, External Hex
4 mm, 20 mm, 5.5 mm, 5/8 ", 1-1/4 "
1/4, 3/8, 2-1/2, 3/4, 1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
8 in, 4-1/16 in, 16 mm, 4-3/4 in, 5/16 in
External Torx, 7-Point, 4-Point, 8-Point, 6-Point
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