Internal Hex, Internal Torx, External Hex, 6-Point
16 mm, 2-1/2 ", 18 mm, 20 mm, 1-3/8 "
1-1/2, 2-1/2, 3/4, 1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
8 in, 4-1/16 in, 70 mm, 39 mm, 35 mm
4-Point, External Torx, 12-Point, 8-Point, 7-Point
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