The Kuhn K2501380 is a genuine OEM smooth knife designed for various Kuhn GMD series disc mowers. This high-quality replacement part ensures efficient and clean cutting, maintaining the performance of your agricultural machinery. With confirmed dimensions of 100 mm length, 50 mm width, and 5 mm thickness, and a weight of 0.12 kg, it is a direct fit for a wide range of GMD models, including GMD 44, GMD 55, GMD 66, GMD 77, GMD 88, GMD 400, GMD 500, GMD 600, GMD 700, GMD 800, GMD 900, and many more within the GMD range.