This genuine Wolf Garten 405693 lawnmower blade is designed for optimal cutting performance and durability. Measuring 400mm in length, it features an 18mm central bore, 65mm outer hole spacing, and 8.5mm outer hole diameter. This OEM blade ensures a precise fit and reliable operation for various Wolf Garten lawnmower models, including the A 400 E, A 400 EA, A 400 K, A 400 KA, A 400 KE, A 400 KEA, Ambition 40 E, Ambition 40 EA, Select 4000, Select 4000 E, and Select 4000 EA series.