THREE Replacement Blades for John Deere M145476 -B1JD1044

Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness. • (3) blades for 48" cut. Fits 48C decks since 1999. Center Hole: 51/64" Length: 17" Thickness: .197 Type: Medium Lift Width: 2-1/2" Fits the following John Deere models: GT225 (48"), GT235 (48"), GT245 (48"), GX255 (48"), GX325 (48"), GX335 (48"), GX345 (48"), GX355 (48"), LT166 (48"), LT170 (48"), LT180 (48"), LT190 (48"), LX255 (48"), LX266 (48"), LX277 (48"), LX279 (48"), LX280 (48"), LX288 (48"), LX289 (48"), SST18 (48"), X300 (48"), X320 (48"), X324 (48"), X340 (48"), X350 (48"), X360 (48"), X380 (48"), X384 (48"), X390 (48"), X394 (48"), X465 (48"), X475 (48"), X485 (48"), X495 (48"), X500 (48"), X520 (48"), X534 (48"), X540 (48"), X570 (48"), X575 (48"), X580 (48"), X584 (48"), X585 (48"), X590 (48"), X595 (48"), X700 (48"), X710 (48"), X720 (48"), X724 (48"), X728 (48"), X729 (48"), X730 (48"), X734 (48"), X738 (48"), X739 (48"), X740 (48"), X744 (48"), X748 (48"), X749 (48"), X750 (48"), X754 (48"), X758 (48"), 325 (48"), 335 (48"), 345 (48"), 355D (48"), Z425 EZTRAK (48"), Z435 EZTRAK (48"), Z445 EZTRAK (48"), Z525E ZTRAK (48"), Z535M ZTRAK (48"), Z540M ZTRAK (48"). This is a Aftermarket part. Thanks for looking!