Internal Hex, Internal Torx, External Hex, External Torx
6 mm, 5/16 ", 18 mm, 1-3/8 ", 5/8 "
1, 3/4, 1-1/2, 2-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-11/16 in, 3-9/16 in, 8 in, 39 mm, 35 mm
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
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