A&I XHT 16-1/4", 5/8", HL Mower Blade (Set of 3) - B1BC1204,3 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. Center Hole 5/8" Fits XM series Length 16-1/4" Required (2) blades for 32" cut. (3) blades for 48" Thickness .197 Type High Lift - Notched Width 2-1/2" Crossed From: BC16A MOW MORE BO-15A J. THOMAS BO15A J. THOMAS 00450200 ARIENS / GRAVELY 03239 BOBCAT 0450200 ARIENS / GRAVELY 09737 SPALDINGS 112111-01 BOBCAT 112111-01 RANSOMES 11211101 BOBCAT 11211101 RANSOMES 2219 LANDSCAPE SUPPLY 2722543-01 BOBCAT 272254301 BOBCAT 303-168 STENS 303168 STENS 310-102 STENS 310102S TENS 3400 ROTARY 50-1933 WINDSOR 50-2585 WINDSOR 501933 WINDSOR 502585 WINDSOR 7-04996 PRIME LINE 7-06321 PRIME LINE 704996 PRIME LINE 706321 PRIME LINE 91160 LASER SALES 93-009 OREGON 93009 OREGON This is an aftermarket product, not an OEM. A physical address must be provided, NO P.O. BOXES. Thanks for looking!