Universal 3-in-1 blade mulches, bags, and side discharges. Includes sizing washers, cover washers, and adapter . Fits most Bolts, Craftsman, Huskee, Husqvarna, Lawn-Boy, MTD, Murray, Poulan, Snapper, Troy-Bilt, Toro, Weed Eater, Yard Machines, Yard-Man, and others.