Internal Hex, Internal Torx, External Hex, 6-Point
20 mm, 5.5 mm, 1-3/8 ", 5/8 ", 7/8 "
1/2, 1/4, 3/8, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 1-11/16 in, 8 in, 39 mm, 24 mm
8-Point, External Torx, 4-Point, 7-Point, 12-Point
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