B1MU2625 BLADE-MOWER, 21-31/64", 3/8", MULCHOne New Aftermarket Replacement Mulching Mower Blade for Noma AMF Dynamark Walk Behind Mowers This aftermarket replacement mulching blade fits 43 inch cut walk behind mowers from Noma, AMF, and Dynamark. Sold as a set of two blades, it is a 3 in 1 design capable of mulching, bagging, and side discharge. The blade's curved profile finely chops grass clippings and returns nutrients to the lawn, reducing the need for raking or bagging. Specifications