Internal Hex, Internal Torx, External Hex
3/16 ", 2-1/2 ", 4 mm, 1-1/2 ", 1-3/8 "
2-1/2, 1-1/2, 1/2, 1, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 33 mm, 4-3/4 in, 13 mm
8-Point, External Torx, 4-Point, 7-Point, 6-Point
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