Internal Hex, Internal Torx, External Hex
1-1/8 ", 16 mm, 18 mm, 5/8 ", 1-3/8 "
3/4, 1/4, 2-1/2, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 58 mm, 4-3/4 in, 15/16 in, 3-3/8 in
8-Point, 12-Point, 7-Point, 6-Point, External Torx
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