2-inch Replaceable Scraper Hamber Hard double edge scraper edges. Scraper has made for large removal jobs. The scraper is ideal for removal of RTV, Polysulphide and polythioether sealants, silicon adhesives & non-skid tape on aircraft cargo bay floors and ramps. These amber hard plastic scraper blades are used on exterior surfaces. They are also listed and approved by AIRBUS, CESSNA, EMBRAER, LOCKEED-MARTAIN, USAF, US NAVY, US ARMY, US MARINE CORPS. etc.