The STIGA 2T0510481ST3 is a genuine OEM cutting blade designed for 98 cm cutting decks on various ride-on lawn mowers. This blade ensures efficient and precise cutting performance. It is compatible with STIGA Tornado 398 M, Tornado 398, Tornado 3108 H, and other models, as well as select Castelgarden, Alpina, and Mountfield tractors. Featuring a length of 495 mm, a width of 55 mm, a central hole diameter of 18 mm, and two outer holes with 8.5 mm diameter at a 65 mm center distance, this blade is a direct replacement for optimal mower function.