Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 2-1/2 ", 5/16 ", 15/16 ", 23 mm
1, 3/8, 1/4, 2-1/2, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
19 mm, 1-3/16 in, 4-3/4 in, 2-7/16 in, 2-15/16 in
12-Point, 4-Point, 7-Point, 8-Point, 6-Point
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