External Hex, Internal Hex, Internal Torx
1 ", 4 mm, 9/16 ", 5/8 ", 1-3/8 "
3/8, 1-1/2, 1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 8 in, 11 mm, 30 mm, 39 mm
External Torx, 6-Point, 12-Point, 4-Point, 7-Point
-