4 cartridges; 1 Gillette thermal face scrub (0.76 fl oz). + MicroComb. 5 blade ProGlide system + 1 precision trimmer. Incredible comfort - even if you shave every day. Front: Thinner, finer blades glide effortlessly through hair with less tug and pull (leading blades vs. Fusion). A MicroComb that helps guide stubble to the blades. Back: 1 precision trimmer blade - redesigned trimmer to help shape facial hair. All fusion cartridges can be used with all Fusion handles.