10/pkAlpen Speedster FG 330 Bur Carbide 10/Pk Pear Shape. Recommended to prepare an anatomical occlusal, cavity preparation and amalgam removal. Alpen® Speedster® Carbide metal cutting burs rapidly cut amalgam, metal, enamel and dentin. The computer aided manufacturing design generates a bur that has an optimal and precise bur performance. These metal cutting burs cut aggressively without stalling or clogging, reducing prep and chair time. Alpen® Speedster® Carbides offers a full line of metal cutters, any option for your need. Sold in packs of five, available in friction grip (FG).