Internal Hex, Internal Torx, External Hex
1/4 ", 4 mm, 1-5/16 ", 5/8 ", 7/8 "
1, 3/4, 1-1/2, 3/8, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
5 mm, 8 in, 16 mm, 4-3/4 in, 39 mm
12-Point, 8-Point, External Torx, 6-Point, 7-Point
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