Arnold MTD 21-13/64 In. Tractor Mulching Mower Blade Set

42" mulching blade set for MTD lawn and garden tractors, 1997 and after. Also fits Huskee, Yard Machines, Yard-Man, Bolens, and Troy-Bilt. 1" star center hole. Replaces OE# 942-0616, 942-0616A, 742-0616, and 742-0616A.