External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 1-5/16 ", 5/8 ", 15/16 "
1-1/2, 2-1/2, 1/4, 3/8, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
2-11/16 in, E7, 8 in, 4-1/16 in, 58 mm
6-Point, 8-Point, 7-Point, 12-Point, 4-Point
-