Internal Hex, Internal Torx, External Hex, 6-Point
1-5/16 ", 5/8 ", 35 mm, 1-3/8 ", 1-1/4 "
1-1/2, 1/4, 2-1/2, 3/8, 1
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-3/4 in, 3-9/16 in, 8 in, 4-1/16 in, 39 mm
External Torx, 4-Point, 8-Point, 7-Point, 12-Point
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