... VHF zirconia bur, manual operation bur, ZZZ bur Wieland bur, VHF zirconia bur, manual operation bur, ZZZ bur The photos ... product, surface finish≤Ra0.15μm.2. Adopting advanced power high speed CNC grinder to make high precision ... will be produced according to the order.Adopting advanced power high speed CNC grinder from Germany and ... . Wieland bur, VHF zirconia bur, manual operation bur, ZZZ bur