External Hex, Internal Hex, Internal Torx
5/8 ", 9/16 ", 15/16 ", 23 mm, 1-1/4 "
1, 3/8, 3/4, 2-1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
2-1/4 in, 30 mm, 35 mm, 15/16 in, 8 in
External Torx, 6-Point, 4-Point, 7-Point, 12-Point
-