External Hex, Internal Hex, Internal Torx
2-1/2 ", 7/16 ", 5/8 ", 1-3/8 ", 7/8 "
1/4, 3/4, 2-1/2, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 43 mm, 3/4 in, 9/16 in, 7/8 in, 1-3/8 in
12-Point, External Torx, 7-Point, 6-Point, 4-Point
-