Arum Zirconia Milling Burs Arum Zirconia Milling Burs Item code Dimensions PriceT-172 AR6D D6 x 0.6mm $50.00T-172 AR1D D6 x 1.0mm $50.00T-172 AR2D D6 x 2.0mm $50.00T-170 AR0.6 DLC D4 x