Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 35 mm, 1-3/8 ", 1-1/4 ", 46 mm
1, 1/4, 2-1/2, 1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
58 mm, 33 mm, 3/4 in, 9/16 in, 7/8 in, 39 mm
8-Point, 6-Point, 12-Point, 7-Point, 4-Point
-