GAP Sure-Cut Plotter Blade Series/
SC-1900 Carbide Series (Item ID# GAP SC1945)

A 45°, high quality carbide blade.  Similar to the Graphtec America, Inc. #CB09U, 45° supersteel blade.  Made specifically for cutting materials with a 2 - 6 mil thickness.  Meets, or exceeds, manufacturer's specifications.  When compared to steel tipped blades, GAP brand carbides offer better durability and longer performance life. 

The GAP SC-1900 Carbide Series 45° blade is made for use with these plotters: 
...Graphtec America, Inc. Cutting Pro/FC-Series
...Nova Cut