Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 5/16 ", 5/8 ", 7/8 "
2-1/2, 1, 1-1/2, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
35 mm, 8 in, 1-1/4 in, 58 mm, 39 mm
8-Point, 12-Point, 7-Point, 6-Point, 4-Point
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