External Hex, Internal Hex, Internal Torx, External Torx
1/4 ", 4 mm, 5/8 ", 15/16 ", 1/2 "
3/4, 1/4, 1-1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 11 mm, 4-1/8 in, 43 mm, 58 mm
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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