Grit : 300 0 Very Fine. Suitable to grinding gemstone, jewelry, glass, rock, etc…. Diamond coating surface area : almost 90%, only one side is coated diamond. These diamond discs are one of the finest discs manufactured for Hobby, Lapidary, Glass applications.
TOPBRAS ABRASIVOS VINHEDO Abrasivos de Alta Performance Experiência, Competência e Qualidade