Internal Hex, Internal Torx, External Hex, External Torx
3/16 ", 2-1/2 ", 4 mm, 9/16 ", 1-3/8 "
1, 1/2, 2-1/2, 1/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
22 mm, 5 mm, 8 in, 4-1/16 in, 2-15/16 in
8-Point, 7-Point, 12-Point, 4-Point, 6-Point
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