External Hex, Internal Hex, Internal Torx
7/32 ", 2-1/2 ", 4 mm, 7 mm, 5/8 "
1/2, 3/8, 1/4, 3/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3 in, 3-3/4 in, 8 in, 70 mm, 4-3/4 in
6-Point, External Torx, 8-Point, 7-Point, 4-Point
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