External Torx, Internal Hex, Internal Torx, Hex, TX
AF, Imperial, Metric, Torx, SAE
7/16 ", 7/32 ", 9/16 ", 5/16 ", 9 mm
12.5, 6.35, 19.05, 25.4, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate