Internal Hex, Internal Torx, External Hex, External Torx
27 mm, 5.5 mm, 1-3/8 ", 7/8 ", 21 mm
3/8, 3/4, 1-1/2, 2-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
56 mm, E7, 36 mm, 8 in, 1-3/8 in
8-Point, 4-Point, 6-Point, 7-Point, 12-Point
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