D-Bur Diamond Hollow BurD-Bur is a hollowed and perforated chalice design diamond bur used for easy removal of soft liners and paste like materials that’s commonly used to take denture impressions. Its hollow design helps reduce clogging and eliminates messy removal of materials. It also reduces burning and melting when used in slower speed. Excellent used for acrylic and other soft materials. Max. Speed: 15,000 ~25,000 rpm
