The Lynx Quadrant Scraper Set is the perfect solution for scraping various quarter and half round moldings, while the straight edges enable tight corner scraping. Each set contains two scrapers with four different quadrants. Scraper #1 - 1/8", 3/16", 1/4" and 5/16 " and Scraper #2 - 3/8", 7/16", 1/2" and 5/8 ". Each scraper is 5" long x .032" thick and is made from CS80 steel and hardened to 44-46 Rockwell.