Veritas Tri-Burnisher Designed to perform all the functions of round, triangular and oval burnishers Mirror finish to guarantee smooth hooks on cabinet scrapers Unique shape lets you apply just the right amount of pressure Superior surface finish avoids galling and hook tearing Hardened to HRC58-60, this is much harder than scrapers it is used on 11" long including the hardwood handle for easy gauging and angles This is designed to perform all the functions of round, triangular and oval burnishers. It has a mirror finish to guarantee smooth hooks on cabinet scrapers. The blade is hardened to HRC58-60 to be much harder than scrapers it is used on. The overall length is 275mm including the hardwood handle.