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