Internal Hex, Internal Torx, External Hex
5/16 ", 1-1/2 ", 10 mm, 1-5/16 ", 1 "
1-1/2, 3/4, 1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
21 mm, 4-1/8 in, 1-1/8 in, 7/8 in, 24 mm
8-Point, External Torx, 7-Point, 12-Point, 4-Point
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