The John Deere SB820043520 is a genuine OEM replacement blade designed for a wide range of John Deere mowing equipment, including F-series front mowers, 1500 series front mowers, 1600 series wide area mowers, 1905 reel mowers, PrecisionCut mowers, Terrain Cut mowers, and Zero-Turn mowers. This high-quality blade ensures precise cutting and durability, maintaining the performance of your John Deere machinery. Weighing approximately 0.12 kg, it is built to meet original equipment specifications for reliable operation.