The Blue Tip blade holder is specifically for the 0.9mm blade (45 deg). This blade holder is only for Graphtec cutters and only for the GT-CB09UA blade
This 0.9mm, 45° Carbide replacement blade is from GAP. They fit the Graphtec CE-5000-60 and Craft ROBO Pro plotter cutters that we sell. They are offered for those who may be on a tight budget but...