Internal Hex, Internal Torx, External Hex, External Torx
9/16 ", 5.5 mm, 1-3/8 ", 7/8 ", 1-1/4 "
3/8, 1-1/2, 2-1/2, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/8 in, 3-9/16 in, 8 in, 21 mm, 58 mm
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
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