RB-012 is a traditional Single-Edge Razor Replacement Blade. This heavy duty blade is 33% thicker than our RB-009 single edge blade and built for tougher cutting jobs. It is ultra-sharp and can be used in both PHC scrapers, Handy Cutters. The blade is .012″ in thickness and sharpened to precision. Comes packaged in a Clamshell of 100 Blades.