Internal Hex, Internal Torx, External Hex
5/8 ", 35 mm, 1-3/8 ", 7/8 ", 21 mm
3/4, 1-1/2, 1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 1-1/4 in, 33 mm, 2-1/2 in
12-Point, 4-Point, External Torx, 7-Point, 8-Point
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