The AL-KO 460983 is a genuine OEM replacement lawn mower blade designed for optimal cutting performance. With a cutting width of 400mm (40cm), this durable blade ensures a clean and precise cut for your lawn. It is specifically engineered to fit various AL-KO 42 series lawnmowers, including models such as the AL-KO 42 B, 42 BA, 42 BH, 42 BR, 42 BRE, 42 HW, 420 B, 420 HW, 4200 B, 4200 BR, 4200 BRE, 4200 HW, and 4200 HR. Regular replacement of your lawn mower blade is crucial for maintaining lawn health and mower efficiency.