Sure-Cut SC-1945 Graphtec 45 plotter blade is a substitute for CB-09U blades. It fits 0.9mm diameter, blue tip holder Graphtec cutters, namely the Cutting Pro and FC series. It is also compatible with Nova Cut plotters. This 45° blade produces the best results on 2 - 6 mil thick films, which covers most vinyl types. Forty-five degree blades are the general purpose, most frequently used blade angle.