External Hex, Internal Hex, Internal Torx
16 mm, 5/8 ", 1/4 ", 1-3/8 ", 7/8 "
1/2, 3/4, 1-1/2, 3/8, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-1/16 in, 58 mm, 17 mm, 13/16 in, 2-7/16 in
8-Point, External Torx, 4-Point, 7-Point, 6-Point
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