Internal Hex, Internal Torx, External Hex, External Torx
18 mm, 5/8 ", 5.5 mm, 1-3/8 ", 7/8 "
1-1/2, 1, 2-1/2, 1/4, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
30 mm, 13 mm, 39 mm, 1-3/8 in, 5/16 in
6-Point, 4-Point, 7-Point, 12-Point, 8-Point
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