Rosenthal Burs Hart ISO 024 Jewelry Making Burs are precision-engineered tools crafted from high-quality Tungsten Vanadium Steel, ideal for intricate jewelry-making tasks. These burs are designed for exceptional performance in gem setting, engraving, and other delicate jewelry-making applications. Their robust construction ensures consistent, even cuts, minimizing material waste and maximizing efficiency. Renowned for their superior quality, these Swiss-made burs are a preferred choice among professional jewelers worldwide.