A&I XHT 21", 5/8" Notch Mower Blade (Set of 3) - B1FE1061,3 Nuts 3 Fits the following Crawler

3 Fits the following Crawler Dozer Models: 1050K

Thread Type NPT

John Deere Original Equipment Ball Bearing - AE46606

Fits the following ZTrak Mower Models: 997

John Deere Original Equipment Knife Guard - H145791

A&I XHT 21", 5/8" Notch Mower Blade (Set of 3) - B1FE1061,3 Nuts 3 Fits the following CrawlerA&I XHT 21", 5 8" Notch Mower Blade (Set of 3) B1FE1061,3 Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25 40% harder than standard lawnmower blades. Benefits of the XHT 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 61" cut. Fits new iCD decks. Center Hole 5 8" Length 21"