Ensure a clean and precise cut with this 3-pack of genuine Marbain mower blades. Designed for 61-inch decks, these blades deliver exceptional durability and performance. Each blade measures 21 inches in length, 2.5 inches in width, and .250 inches in thickness, featuring a standard 5/8-inch center hole for easy installation. The Marbain heat treatment process enhances the steel's strength and resilience, providing longer-lasting cutting power and reducing the frequency of replacements. These blades are engineered to withstand demanding mowing conditions, offering reliable performance season after season. Suitable for a variety of 61" deck mowers, these blades are a direct replacement for worn or damaged originals, restoring your mower's cutting efficiency. The heat treatment improves resistance to bending and breakage, contributing to a safer and more efficient mowing experience. Maintain optimal lawn care with these high-quality, genuine Marbain blades. Dimensions: 21" Length x 2.5" Width x .250" Thickness; Center Hole: 5/8". These blades are designed for consistent performance and longevity, ensuring a well-maintained lawn.