Developed for the aeronautical industry but finding a home in other commercial and industrial locations and jobs where leverage and non-scratching is a primary need. These BOJO STRONG, a hard composite scraper, and EXTREME, the hardest strength composite scraper, provide plenty of scraping power but will not mar or scratch surfaces. Best used with a lubricant such as an orange based solution for removing sticky residue. Various tip types and materials make the BOJO scrapers essential for a job well done. Set includes four of our most popular scraper tips – #8 #9 #10 #11. Choose Strong or Extreme from the drop down menu under “Choose an Option”.