External Hex, Internal Hex, Internal Torx, External Torx
1-1/8 ", 9/16 ", 5/8 ", 1-3/8 ", 1-1/4 "
1-1/2, 2-1/2, 1/4, 1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 21 mm, 4-3/4 in, 13/16 in, 26 mm
7-Point, 6-Point, 4-Point, 8-Point, 12-Point
-