External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 9/16 ", 5/8 ", 1-3/8 "
3/8, 2-1/2, 1-1/2, 3/4, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 30 mm, 58 mm, 4-3/4 in, 2-1/2 in
6-Point, External Torx, 4-Point, 8-Point, 7-Point
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