This is a genuine STIGA 1820046080 blade, specifically designed for ride-on mowers equipped with a 102 cm cutting deck. Measuring 520 mm in length, this high-quality blade ensures efficient and precise cutting performance. It features a central mounting hole of 18 mm and two outer holes of 8.5 mm, spaced 65 mm apart (center to center). This blade is an essential replacement part for maintaining optimal cutting efficiency and is compatible with a wide range of STIGA, Castelgarden, and Mountfield models, including those in the TC, TH, Estate, Grand Overland, and Tornado series.