A&I XHT 18", 5/8" Notch Mower Blade (Set of 6) - B1FE1052,6 Hoods This hat is cotton twill

This hat is cotton twill front with soft polyester mesh sides and back

Z655 and Z665

4050 (795107-)

Fits the following Lawn Mower Models: HR21-5

Wheel Width (IN) 2

A&I XHT 18", 5/8" Notch Mower Blade (Set of 6) - B1FE1052,6 Hoods This hat is cotton twillA&I XHT 18", 5 8" Notch Mower Blade (Set of 6) B1FE1052,6 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. (3) blades for 52" cut. Fits new iCD decks. Center Hole 5 8" Length 18"