The Oregon 90304 is a genuine 20-inch (50.8 cm) universal mulching blade, engineered for efficient cutting and bagging on walk-behind lawn mowers. This high-lift blade measures 508 mm in length, 57.15 mm in width, and 3.4 mm in thickness. It includes a set of reducing washers to accommodate various center hole sizes, specifically 1/2 inch (12.7 mm), 5/8 inch (15.88 mm), 7/16 inch (11.11 mm), 13/32 inch (10.32 mm), and 3/8 inch (9.53 mm) arbors.

Oregon, a brand synonymous with forestry and outdoor power equipment, was founded in 1947 by Joseph Buford Cox in Portland, Oregon, USA. The company initially revolutionized the timber industry with its innovative saw chain design. Today, Oregon is a global leader in saw chain, guide bars, sprockets, and outdoor equipment accessories, operating as a subsidiary of Blount International, Inc., which is headquartered in Portland, Oregon. Oregon's product lines are extensive, focusing on cutting attachments and accessories for chainsaws, lawnmowers, and other outdoor power tools. The brand is particularly well-known for its saw chains, such as the SpeedCut™ Nano and PowerCut™ series, and its guide bars, including the VersaCut™ and ControlCut™ lines, which are designed for durability and performance in demanding conditions. They also produce a range of accessories like sharpening tools, protective gear, and replacement parts for various applications. At Partao, you can find a wide selection of genuine Oregon spare parts, including Other Merchandise & Gifts, Air Filters, Alternators, Apparel, and Ball Bearings. Over 11,602 genuine Oregon spare parts are available at Partao. Professionals and homeowners worldwide rely on Oregon products for their robust construction and consistent performance. The brand's commitment to innovation ensures that its cutting systems and accessories meet the evolving needs of forestry, landscaping, and agricultural maintenance, providing reliable solutions for efficient land management and timber operations.