Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 1-1/2 ", 5.5 mm, 5/8 ", 15/16 "
1/4, 3/8, 2-1/2, 1-1/2, 1
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
4-3/4 in, 7/8 in, 17 mm, 1-3/8 in, 1-1/4 in
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
-