Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 5/16 ", 20 mm, 5/8 ", 7/8 "
3/4, 1/4, 2-1/2, 1/2, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Oxide, Black Phosphate
8 in, 30 mm, 4-1/8 in, 58 mm, 4-3/4 in
12-Point, 8-Point, 7-Point, 6-Point, 4-Point
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