External Hex, Internal Hex, Internal Torx
4 mm, 5/16 ", 1-3/8 ", 5/8 ", 1-1/4 "
1-1/2, 3/4, 2-1/2, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
30 mm, 8 in, 70 mm, 58 mm, 4-3/4 in
External Torx, 8-Point, 4-Point, 6-Point, 7-Point
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