Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 7/16 ", 1-1/8 ", 1-5/16 "
3/8, 2-1/2, 1/2, 3/4, 1/4
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
35 mm, 8 in, 4-1/8 in, 4-3/4 in, 17 mm
8-Point, 4-Point, 12-Point, 7-Point, 6-Point
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