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.