A&I XHT 21" 5PT HD Mower Blade (Set of 2) - B1EP1020,2 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. (2) blades for 42" cut. Center Hole 5 point star Fits Husqvarna lawn tractor and Consumer Z models YTH1542XP, YTH1542XPG, LTH1342, and LTH1342A. Length 21" Thickness .187 Type Medium Lift Width 2-1/4" Crossed From: 127843 CRAFTSMAN 127843 HUSQVARNA 127843 SEARS / ROPER / AYP 131323 SEARS / ROPER / AYP 134149 CRAFTSMAN 134149 HUSQVARNA 134149 SEARS / ROPER / AYP 138498 CRAFTSMAN 138498 HUSQVARNA 138498 SEARS / ROPER / AYP 138791 HUSQVARNA 138791 SEARS / ROPER / AYP 138971 CRAFTSMAN 340-178 STENS 340-440 STENS 340178 STENS 340440 STENS 422719 SEARS / ROPER / AYP 490-110-0022 ARNOLD 4901100022 ARNOLD 532 13 41-49 HUSQVARNA 532 13 84-98 HUSQVARNA 532 13 89-71 HUSQVARNA 532 13 89-71 MCCULLOCH 539119843 DIXON 6109-004-201 2VIKING 61090042012 VIKING 6125 ROTARY 6262 ROTARY 7-04982 PRIME LINE 7-06319 PRIME LINE 704982 PRIME LINE 706319 PRIME LINE 777 13 41-49 HUSQVARNA 777134149 HUSQVARNA 917138489MS HUSQVARNA 917138498 MSSEARS / ROPER / AYP 917139775P SEARS / ROPER / AYP 91724676 SEARS / ROPER / AYP 917532138498 HUSQVARNA 917532138498 SEARS / ROPER / AYP 917532139775 SEARS / ROPER / AYP 917532422719 SEARS / ROPER / AYP 917539110460 SEARS / ROPER / AYP 917777134149 SEARS / ROPER / AYP 95-039 OREGON 95-048 OREGON 95039 OREGON 95048 OREGON This is an after market product, not an OEM. A physical address must be provided, NO P.O. BOXES. Thanks for looking!