Used largest size once. Comes with plastic organization tray but not original packaging

Removes regular screw heads and rounded off screw heads

Remove 70% rounded off screw heads with the open end and box end

Remove 90% rounded off screw heads with the box end

Made of hardened alloy chrome molybdenum steel with a mirror chrome finish

Includes sizes: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"