Internal Hex, Internal Torx, External Hex, 6-Point
25 mm, 1-5/16 ", 27 mm, 5.5 mm, 1-3/8 "
1/4, 1, 1-1/2, 3/4, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-1/8 in, 58 mm, 3/4 in, 9/16 in, 4-3/4 in, 39 mm
External Torx, 12-Point, 4-Point, 7-Point, 8-Point
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