Internal Hex, Internal Torx, External Hex, External Torx
11/16 ", 2-1/2 ", 4 mm, 5/16 ", 1-1/4 "
1, 1-1/2, 3/8, 1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 4-3/4 in, 17 mm, 1-3/8 in, 35 mm
8-Point, 12-Point, 7-Point, 6-Point, 4-Point
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