Scrape-Burr 42 Heavy Duty Scraper. The "Cera-Burr" Heavy Duty Scraper features a fixed C42 Style blade on our convenient, lightweight Glo-Burr Style handle. Features our C42 Style Blade for heavy duty work. 0.31". Great for Hole Back Edge, Hole Inner Surface, and Flat Surface Applications. Strong and lightweight with a pocketclip, and blade guard (Red Handle)