This Yard Force 18" Blade Set is part of the innovative series of premium blades that will fit into your current 18" Yard Force mower. Each blade is precision machined to give enhanced mulching, bagging or side discharge. This exclusive design will also allow you to use it with the de-thatcher blade and tamer blade for a total yard make-over. These hardened steel blades provide a superior cut on all types of grasses for a healthier-looking lawn. The blades are built to withstand years of use. You'll get a superior cut without engine strain. The hardened steel blades resist rust, stay sharp longer and lead to a cleaner cut every time. Fits 18" Yard Force Lawn Mower (GM A46)| Sharper & longer blades| Hardened steel| Precision machined