Our Rotatech Shredder Blades are available for popular brands such as Weima, Ulster, Vecoplan, Untha and many more, these range from Single-Shaft Shredder Blades, Twin-Shaft Shredder Blades, Four-Shaft Shredder Blades and Horizontal Shredder Blades. At Saturn Machine Knives  we use chipper steel for our Shredder Blades which is sourced directly from accredited steel mills you can be assured of consistent quality.