Internal Hex, Internal Torx, External Hex, External Torx
1-1/4 ", 5/16 ", 3/16 ", 2-1/2 ", 8 mm
2-1/2, 1/4, 1, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-3/4 in, 8 in, 11 mm, 4-1/16 in, 4-3/4 in
6-Point, 8-Point, 4-Point, 12-Point, 7-Point
-