External Hex, Internal Hex, Internal Torx, External Torx
1-5/16 ", 5.5 mm, 5/8 ", 1-3/8 ", 7/8 "
1-1/2, 3/8, 2-1/2, 3/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
13/16 in, 16 mm, 1-1/4 in, 2-1/2 in, 35 mm
6-Point, 4-Point, 7-Point, 12-Point, 8-Point
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