This is a dedicated replacement blade for OEM part number AM137327, integrally forged from high-strength carbon steel with heat treatment and anti-rust coating for excellent wear and impact resistance. The toothed mulching design at both ends efficiently shreds grass clippings for enhanced mulching performance. The 7-point star center hole ensures a secure, slip-free fit with compatible mower decks, making it an ideal accessory to restore cutting performance and improve lawn trimming efficiency.