1Pc Dental Implant Trephine Drill Bur Cutting Polish Gear Heads 3mm 4mm 4.5mm 5mm 6mm 6.5mm 7mm 8mm 9mm 10mm. Trephine Drill:Ф3.0mm,Ф4.0mm,Ф4.5mm,Ф5.0mm,Ф6.0mm,Ф6.5mm,Ф7.0mm,Ф8.0mm,Ф9.0mm,Ф10.0mm.
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