Pack of ten replacement blades for the Crain No. 390 Inertial Scraper. These wide 5″ blades are made with the same .037″ thickness as our heavy-duty Big Scraper blades. These stout blades can be used to scrape up hard spots. They come in a plastic vial of ten blades with a resealable cap. Dimensions: 5″ long, .750″ wide, .037″ thick.