Internal Hex, Internal Torx, External Hex
2-1/2 ", 9/16 ", 15/16 ", 7/8 ", 21 mm
1-1/2, 1/2, 2-1/2, 3/8, 1
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
35 mm, 8 in, 1-3/4 in, 58 mm, 3/4 in, 9/16 in
12-Point, 7-Point, 4-Point, 6-Point, 8-Point
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