A&I XHT 16-1/4", 5/8" Notch Mower Blade (Set of 6) - B1BC1201,6 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 32" cut. (3) blades for 48" cut. C to C 1-5/8" Center Hole 5/8" Length 16-1/4" Outer Hole 11/32" Thickness .250 Type High Lift - Notched Width 2-1/2" Crossed From: BO-009 J. THOMAS BO-16 J. THOMAS BO009 J. THOMAS BO16 J. THOMAS WMTA3206 BOBCAT WMTA32061 BOBCAT WM132061 BOBCAT 038-3000-00 BAD BOY 038-4820-00 BAD BOY 038-5350-00 BAD BOY 038300000 BAD BOY 038482000 BAD BOY 1-403059 EXMARK 1-403075 EXMARK 1-403086 EXMARK 1-403148 EXMARK 1-403149 EXMARK 1-413438 EXMARK 103-6336 EXMARK 103-6336-S EXMARK 103-6581 EXMARK 103-6581-S EXMARK 103-6583EXMARK 103-6583-S EXMARK 103-6738 EXMARK 103-6738-S EXMARK 1031577 EXMARK 1031577S EXMARK 1032517 EXMARK 1032527 EXMARK 1323515 TORO / WHEEL HORSE 310-003 STENS 310-045 STENS 310-945 STENS 310003 STENS 310045 STENS 310945 STENS 48301 SNAPPER 48301 YAZOO/ KEES 483011 YAZOO/ KEES 483046 SNAPPER 483046YAZOO/ KEES 5020843 FERRIS 5020843 SNAPPER 5020843 YAZOO/ KEES 5020843A SNAPPER 5020843A YAZOO/ KEES 5020843ASM SNAPPER 5020843ASM YAZOO/ KEES 539100340 HUSQVARNA 539101366 HUSQVARNA 539106040 HUSQVARNA 7014036BMI SNAPPER 7014036BMYP SNAPPER 7014036YP SNAPPER 7017036 SNAPPER 91180 OREGON 91183 OREGON 93-005 OREGON 93005 OREGON This is an aftermarket product, not an OEM. A physical address must be provided, NO P.O. BOXES. Thanks for looking!