Internal Hex, Internal Torx, External Hex
1-1/4 ", 9/32 ", 2-1/2 ", 4 mm, 1-1/2 "
1, 1-1/2, 2-1/2, 3/4, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
34 mm, 12 mm, 8 in, 13/16 in, 5/8 in
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
-