DescriptionThis ruler is used to measure the length of the root canal of the tooth. Made of high-quality stainless steel, durable and suitable for long-term use. The scale within the tooth is clear and the measurement is accurate. Does not deform or discolor.Features-Color: Silver. -Material: Stainless steel. -Size: About10.00X2.50X0.30cm/3.93X0.98X0.12inch. -Accurate measurement is a very professional gum measurement tool. -Made of high-quality stainless steel, it is durable and can be used for a long time. -Small size, light weight, easy to carry. -Easy to clean, reusable, very practical and durable. -Good quality and affordable, you can buy this product at a very affordable price.