Sold on Amazon Important note and WARNING: To ensure the blade you order will fit, please order by manufacturer's Part Number/OEM #. Also, Verify LENGTH, WIDTH and CENTER HOLE size BEFORE purchase. If your blades need to be returned, buyer can email us for the return address. Buyer will be responsible for return shipping 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 46" cut. Fits Scotts 2046 and Sabre 1646, 1846HV. CH 11/16" Width 2-1/2" Thickness .197 Length 16"