The KUHN N03840B0 is a genuine OEM sunflower disc, measuring 560mm (22 inches) in diameter and 3.5mm thick. This robust disc weighs 2.9 kg and is specifically designed for various KUHN MAXIMA series planters, including MAXIMA 2 TR, MAXIMA 2 TS, MAXIMA 2 R, MAXIMA 2 T, MAXIMA 3 TR, MAXIMA 3 TS, MAXIMA 3 R, MAXIMA 3 T, MAXIMA TD, MAXIMA TL, MAXIMA TL R, MAXIMA TL S, MAXIMA TL T, MAXIMA TR, MAXIMA TS, MAXIMA T, MAXIMA R, and MAXIMA MS models, ensuring optimal performance in sunflower planting applications.