Pack of 2 - Laser # 91030 Mulcher Blades - 19-5/16" Length - Replaces MTD 742-0610 / 942-0610 Pack of 2 Laser # 91030 Mulcher Blades OEM replacement blade for MTD 742-0610 / 942-0610 Cross over for Oregon # 198-058, Rotary # 11232, and Stens #'s 302-146 / 335-586 / 335-624 Length: 19-5/16" ; Width: 3" ; Thickness: 0.150" ; 6 pt. star center hole ; Outer Holes: 5/16" Requires 2 blades for 38" cut ; Fits deep decks (1992 and after)