External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
5/8 ", 2-1/2 ", 4 mm, 1-1/2 ", 1-3/8 "
3/8, 1-1/2, 2-1/2, 3/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 3-9/16 in, 8 in, 58 mm, 1-3/8 in
12-Point, 4-Point, 7-Point, 8-Point
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