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