Internal Hex, Internal Torx, External Hex, External Torx
1-5/16 ", 5/8 ", 15/16 ", 1-3/8 ", 7/8 "
1-1/2, 3/8, 1/2, 2-1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
21 mm, 19 mm, 13 mm, 3-3/8 in, 1-3/8 in
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
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