abrasive burs 1.shank dia :2.35,3mm,3.17mm,6mm 2.length:45mm, ... 4.polishing and grinding diamond mounted pointabrasive burs 1.shank dia :2.35,3mm,3.17mm,6mm 2.length:45mm ... carbide,ceramic,glass,precious stone,alloy and many other abrasive material.all sizes,shapes,assortments are upon your specific ... setsThe 11th China Xiamen International stone Fair: Sell Diamond abrasive Points /burs for dental