Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 5.5 mm, 15/16 ", 1-3/8 ", 7/8 "
1, 1-1/2, 3/8, 2-1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 1-3/4 in, 58 mm, 4-3/4 in, 2-15/16 in
6-Point, 12-Point, 7-Point, 4-Point, 8-Point
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