Predator Mulching Mower Blades (Set of 4) - B1PD1042,4 Predator blades offer superior mulching capabilities over traditional mulching blades. The airflow tooth design increases blade strength while producing more airflow for smaller clippings. Predator blades have all the same benefits as XHT (Xtreme Hardness & Toughness) blades. (2) blades for 42" cut. Center Hole 13/16" Length 21-5/16" Thickness .197 Type Toothed Width 2-3/4" Crossed From: M135880 JOHN DEERE M135881 JOHN DEERE M135882 JOHN DEERE M139976 JOHN DEERE M148613 JOHN DEERE M159046 JOHN DEERE M159047 JOHN DEERE 10074 ROTARY 330-453 STENS 330453 STENS 50-4440 WINDSOR 504440 WINDSOR 7-044013 PRIME LINE 7044013 PRIME LINE 91-446 OREGON 91-929 OREGON 91446 OREGON 91929 OREGON 96-365 OREGON 96365 OREGON Fits the following 42" deck: John Deere (UNDEFINED): SEVERAL (42") John Deere RIDING MOWER: GT225 (42") John Deere RIDING MOWER: GT235 (42") John Deere RIDING MOWER: GT245 (42") John Deere RIDING MOWER: GX325 (42") John Deere RIDING MOWER: GX335 (42") John Deere RIDING MOWER: GX345 (42") John Deere RIDING MOWER: GX355 (42") John Deere RIDING MOWER: LX255 (42") John Deere RIDING MOWER: LX266 (42") John Deere RIDING MOWER: LX277 (42") John Deere RIDING MOWER: LX279 (42") John Deere RIDING MOWER: LX280 (42") John Deere RIDING MOWER: LX288 (42") John Deere RIDING MOWER: LX289 (42") John Deere RIDING MOWER: 325 (42") John Deere RIDING MOWER: 335 (42") John Deere RIDING MOWER: 345 (42") John Deere RIDING MOWER: 355D (42") A physical address must be provided NO PO BOXES. Thanks for looking!