The Oregon 92-708 mulching blade is a high-quality replacement part engineered for superior cutting performance. With a length of 490 mm (19-5/16 inches) and a 16 mm (5/8 inch) center hole, this blade is designed to effectively mulch grass clippings, returning nutrients to the lawn. It features a width of 57 mm (2-1/4 inches) and a thickness of 4 mm (0.150 inch), ensuring durability and a clean cut. This genuine Oregon blade is a reliable choice for maintaining lawn mowers requiring this specific configuration.