Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 2-1/2 ", 4 mm, 7/16 ", 1-1/2 "
1, 1/4, 3/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
E7, 32 mm, 8 in, 4-1/8 in, 39 mm
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
-