Super Good quality, please feel free to buy.

Excellent Quality Medical Stainless Steel
Diameter : 4mm/4.5mm/5mm//5.5mm/6mm/6.5mm/7mm /7.5mm/8mm
The dia is outer size.
Used with low speed Implant handpiece
135°C Autoclavable

Dental Implant Tissue Bone Punch Surgical Instrument