DescriptionThis item is a dental gauge for dentist, perfect for watching your teeth root and mearinng the teeth. It is an useful and long lasting measurement for dental watching andtreating. The stainless steel material is durable, and harmless.Features- Color: Silver. - Material: Stainless Steel. - Size: About 9 x 2.3 x 0.1cm. - A protective film is placed on the front to prevent scratches. - Small holes with different diameters are distributed on both sides of the calipers, which are used to place and measure root canal frustration of different types with a measurement scale up to 50mm. - Made of stainless steel which is stable, durable and widely used. - and measure scale makes dentists happy and convenient to watching and treating teeth. - 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!