Endodontic Measuring Ring File Finger Ruler Red, Aluminium Dental Root Canal Measurement Instrument 3.5-cm, 1.4-Inch, Easy to Use - Lightweight & Durable June_2023_update the mask creates a strong

the mask creates a strong and comfortable seal to prevent water from penetrating the mask without hurting the face

the interface is not easy to break

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Endodontic Measuring Ring File Finger Ruler Red, Aluminium Dental Root Canal Measurement Instrument 3.5-cm, 1.4-Inch, Easy to Use - Lightweight & Durable June_2023_update the mask creates a strongEndodontic Measuring Ring File Finger Ruler Red, Aluminium Dental Root Canal Measurement Instrument 3. 5 cm, 1. 4 Inch, Easy to Use Lightweight & Durable Product Features Great Quality: Dental measuring ring is made of high quality alloy and aluminum material. Environmentally friendly, non toxic, durable. Easy to Use: Light weight and smooth surface which won't hurt your hands. Specification: Range of root canal measurement: 0 30mm. 135 degree Ultra