Description Made-in-USA Premium Carbide Burs Provide Outstanding Cutting Speed, Durability and Value! Features and Benefits: For use on plastics, ceramics, porcelain, plaster, acrylic, stainless steel, etc. Lab Burs are NOT for Intraoral use! Ultra-Fast Cutting Automated manufacturing and highest-quality materials assure ultra-fast cutting and long lasting edges to save your time Excellent Value USA manufacturing location and automated machining centers assure premium quality, cut out middle men, and save you money Optional Titanium Nitride-Coated Heads Available with premium USA-applied thick Titanium Nitride Coated heads for longest-lasting edges and superior cutting Dual Cut & Diamond Cut Heads Available Traditional dual cut heads improve performance and minimize clogging, and diamond cut versions pulverize materials and excel at acrylic work