Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 25 mm, 1-1/8 ", 5/8 ", 1-3/8 "
1-1/2, 3/4, 2-1/2, 1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-3/4 in, 7/8 in, 8 in, 4-1/16 in, 35 mm
12-Point, 8-Point, 6-Point, 7-Point, 4-Point
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