A&I XHT 18-1/2", 5PT Mower Blade (Single) - B1EP1050,1 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 54" cut. Fits Sears, Husqvarna and Poulan Pro. Center Hole 5 point star Length 18-1/2" Thickness .197 Type Medium Lift - Notched Width 3" Crossed From: HU22054 LOWES 11180 ROTARY 112053 HUSQVARNA 112053 SEARS / ROPER / AYP 12121 ROTARY 14459 ROTARY 187254 SEARS / ROPER / AYP 187255 HUSQVARNA 187255 SEARS / ROPER / AYP 187256 SEARS / ROPER / AYP 24541 HUSQVARNA 24541 SEARS / ROPER / AYP 33954 HUSQVARNA 33954 SEARS / ROPER / AYP 340-226 STENS 340226 STENS 4435613 A & I MEGA-CROSS 490-110-0064 ARNOLD 4901100064 ARNOLD 532 18 72-54 HUSQVARNA 532 18 72-56 HUSQVARNA 532187254 HUSQVARNA 532187254 SEARS / ROPER / AYP 532187255 HUSQVARNA 532187255 SEARS / ROPER / AYP 532187256 HUSQVARNA 532187256 SEARS / ROPER / AYP 539 11 20-53 HUSQVARNA 539112053 HUSQVARNA 539112053 SEARS / ROPER / AYP 574292401 HUSQVARNA 574292401 SEARS / ROPER / AYP 575938401 HUSQVARNA 575938401 SEARS / ROPER / AYP 575938501 HUSQVARNA 575938501 SEARS / ROPER / AYP 777 18 72-56 HUSQVARNA 777187256 HUSQVARNA 777187256 SEARS / ROPER / AYP 917187254 HUSQVARNA 917187254 SEARS / ROPER / AYP 917532187254 HUSQVARNA 917532187254 SEARS / ROPER / AYP 917532187255 HUSQVARNA 917532187255 SEARS / ROPER / AYP 917532187256 HUSQVARNA 917532187256 SEARS / ROPER / AYP 917539112053 HUSQVARNA 917539112053 SEARS / ROPER / AYP 917777187256 HUSQVARNA 917777187256 SEARS / ROPER / AYP 95-072 OREGON 95072 OREGON This is an aftermarket product, not an OEM. A physical address must be provided, NO P.O. BOXES. Thanks for looking!