21-in Multipurpose Push Lawn Mower Blades

The Arnold 490-100-0081 is a universal 21-inch mower blade designed for walk-behind lawn mowers from most manufacturers, including Toro Recycler Series models. This 3-in-1 blade handles bagging, mulching, and side discharge mowing in a single replacement, eliminating the need to buy multiple blades for different cutting styles.

Changing your mower blade is a straightforward maintenance task, and the Arnold blade's star adapter plate and included sizing washers make installation easy. The engineered steel construction is built to provide reliable cutting season after season.

Features and Benefits

• 3-in-1 Versatility: Bags, mulches, and side discharges in one blade, so you can switch mowing styles without purchasing additional blades.
• Engineered Steel Construction: Durable material built to last through repeated mowing seasons.
• Universal Fit with Adapter Plate: The star adapter plate accommodates multiple center hole sizes—3/8 inch, 7/16 inch, and 5/8 inch—and includes sizing and cover washers for a secure, wobble-free fit.
• 2.5-Inch Blade Width: Optimized width delivers a clean, even lawn finish with minimal overlap or missed strips.
• Easy Installation: The included washers and straightforward design reduce downtime so you can get back to mowing quickly.

Specifications

• Brand: Arnold
• Model: 490-100-0081
• Blade Length: 21 inches
• Blade Width: 2.5 inches
• Material: Steel
• Adapter Compatibility: 3/8 inch, 7/16 inch, and 5/8 inch center holes
• Quantity: One blade per package
• Compatible with: Toro Recycler Series mowers and most walk-behind mower brands