External Hex, Internal Hex, Internal Torx
1-1/8 ", 1-5/16 ", 7/8 ", 1-1/4 ", 21 mm
2-1/2, 1/2, 3/4, 1, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 1-3/4 in, 3/4 in, 9/16 in, 2-1/2 in, 3-3/8 in
8-Point, External Torx, 4-Point, 7-Point, 6-Point
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