42180B MOWER BLADE SPECIFICATIONS: Length: 21"(533mm), Width: 2-1/2"(63.5mm), Thickness: 13/64"(5mm), Air lift: 1"(25mm), Center Hole Shape: Circle, Center Hole Diameter: 5/8"(16mm), Blade Type: Mulching Blade.
Precision Cutting Performance: Our blades are meticulously crafted from 40MnB steel and rigorously tested to ensure consistent, precise cutting. Designed for effortless operation, they deliver a smoother, more efficient mowing experience. The cutting edge features a rust-resistant coating that protects hands during installation; this coating wears off naturally during use.
