Product Description
【5% COBALT | HIGH-SPEED-STEEL】: Classic High Speed Steel Construction With COBALT Coating For Proven Capability And Durability
【STRENGTH & DURABILITY】: Made With HSS M35, Rockwall Hardness Level HRC64-67
【PROFESSIONALS & DIY USE】: For Use On Metal, Wood & Plastics (Not For Use On Concrete / Masonry)