MODIFIED T OUTLINER Trimmer Blade Set These blades have been custom modified by our technicians for the closest possible cut. Each one is thinned out by hand to provide the most precise detailing ever achieved. These Modified blades are Razor sharp and should only be used by the most skilled of Stylists. Top and Bottom Blades Will fit Models GO, GTO and GTX Item #: 04521MD Size: Trimmer Leaves Hair Inch: 1/150 " Leaves Hair mm: 0.1 mm Blade Description: Replacement blade set for models GO, GTX & GTO trimmers. These are brand new genuine Andis Blades. They are removed from there sealed packaging only to modify them and then are returned to their original packaging.