External Hex, Internal Hex, Internal Torx, External Torx
27 mm, 5/8 ", 1 ", 1-3/8 ", 1-1/4 "
1/2, 1, 1-1/2, 2-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 mm, 4-3/4 in, 1-3/8 in, 1-1/4 in, 35 mm
12-Point, 7-Point, 8-Point, 6-Point, 4-Point
-