The 8 blade is much more suited to sports such as football and rugby where a pristine high-quality finish is required- we see this blade in a lot of the professional football stadiums where high-quality presentation is paramount.

The 8 blade quick-change cartridge’s cylinder and bottom blade are made of hardened and ground steel

A mower with fewer blades will generally cope better with longer, thicker or damp grass, as there is more room for the clippings to pass through. With a higher number of blades, you achieve more cuts per distance travelled.