Description This item is a dental root canal measuring ruler, perfect for watching your teeth root and mearinng the teeth. It is an useful and long lasting measurement for dental watching and treating. The plastic material is durable, and harmless. Features - Color: Blue. - Material: Plastic. - Size: About 4x4x3cm - Autoclavable Round Stand Cleaning Sponges File Holder - Easy-to-use & Accurate setting - Durable construction - Full autoclavable to 135°C - For needle,drills,block cleaning. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Autoclavable Round Stand Cleaning Sponges File Holder |Easy-to-use & Accurate setting |Durable construction |Full autoclavable to 135°C |For needle,drills,block cleaning |Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item sincerely hope that you can understand! Thank you!