PSI Woodworking Products LCSIDE2 Round Side Scraper Chisels, 2-Piece set Large scraper 19-Inch blade is 6-Inch by 1-Inch by 3/8-Inch thick Small scraper 16-Inch blade is 6-Inch by 3/4-Inch by 5/16-Inch thick Final cuts the inside surface of bowls to be clean and smooth Eliminates vibration Thick HSS blades