Internal Hex, Internal Torx, External Hex, 6-Point
2-1/2 ", 1/4 ", 4 mm, 16 mm, 5/8 "
1-1/2, 3/4, 1/2, 2-1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 1-1/8 in, 8 in, 58 mm, 3-3/8 in
8-Point, 12-Point, External Torx, 4-Point, 7-Point
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