[Diamond technology] 1 equals 100, CORTOOL diamond cutting disc delivers 5,000+ more cuts for metal with much lower cost per cut compared to bonded cut-off wheels. [All in 1 Metal Solution] Ideal for dry cutting of metal, rebar, iron, brass profiles, aluminum, different types of pipes and sheet metal with over 100X longer life than bonded cutoff wheels in metal cutting applications. [Avoid Injury] Solid steel wheel body greatly reduces risk of shatter and injury for added safety, diamond cutting edge is 100% contaminant-free, it does not wear down like bonded abrasives, reducing dust particles for a cleaner work station. [Industrial Quality] Quality Assured accurate cutting PERFORMANCE, PRECISION, LONGEVITY, STABILITY & INTEGRITY, cutting Longer, Faster and Reliably than other wheels that may shatter or prematurely wear. [Accurate Cutting] Maintains original wheel diameter throughout the life of the blade for better control and precision cutting.