This aftermarket replacement blade, identified by part number 50146NO, offers a reliable and cost-effective alternative for maintaining your Castelgarden lawnmower. Specifically engineered to be compatible with the original equipment manufacturer (OEM) part number 81004396/0, this non-original blade provides excellent cutting performance for a variety of grass types and conditions. It's an ideal choice for those seeking a durable and efficient replacement blade without the OEM price tag. Precision-manufactured, this standard cutting blade measures 48 cm (approximately 18.9 inches) in length, ensuring a wide cutting path for efficient lawn care. The design focuses on delivering a clean, precise cut, which is crucial for promoting healthy grass growth and achieving a well-manicured lawn appearance. Key technical specifications include a central mounting hole with a diameter of 18 mm, providing a secure fit to the mower's spindle. Additionally, it features two lateral mounting holes, each with an 8.5 mm diameter, positioned 65 mm apart (center-to-center). These exact dimensions are critical for ensuring proper balance, reducing vibration, and maximizing the lifespan of both the blade and your mower. As a high-quality aftermarket component, the 50146NO blade is designed for straightforward installation, allowing you to quickly get your Castelgarden mower back into optimal working condition. Whether you're replacing a dull, bent, or damaged blade, this compatible alternative helps restore your mower's efficiency and cutting power. It's important to always consult your mower's manual or existing blade specifications to confirm compatibility before purchasing, ensuring a perfect match for your specific Castelgarden model. This replacement blade is a smart investment for consistent lawn maintenance.