Two different blades are available for this cartridge:
1) Double Sided Standard Blade for stone, marble, granite, and thick glass (only).
This blade is only good for Thick glass and other thick materials. (For thin glass, see #2 below.)
2) Double Sided Fine Blade for glass, stained glass, fused glass, glass tile and any other type of glass.
Both the Standard and the Fine Blade feature a double-sided Sintered Diamond Blade.