External Hex, Internal Hex, Internal Torx
1 ", 4 mm, 5.5 mm, 5/8 ", 7/8 "
1/4, 2-1/2, 1, 1-1/2, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-15/16 in, 8 in, 58 mm, 3/4 in, 9/16 in, 35 mm
12-Point, 4-Point, 7-Point, 6-Point, External Torx
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