This product is made of high quality stainless steel and plastic material, which is durable, safe and anti-rust. With high precision, very practical, easy to operate for dentist. Features: 1. Made of high quality material, which is durable, safe and anti-rust. 2. High precision, more accurate measurement, very practical, easy to operate for dentist. 3. Lightweight and compact size, easy to store and use. 4. An effective and necessary helper for dentist when operating. 5. Used for the length measurement of dental gutta pointed, root canal or other dental tools. Specification: Item Type: Dental Measure Scale Material: Stainless Steel + Plastic Color: As Pictures Show Item Size: 8.8 * 1.5 * 0.3cm / 3.5 * 0.6 * 0.1inch Package Weight: Approx. 8g Package List: 1 * Dental Measure Scale Instruction: Put a gutta percha point into the metal hole in the back of the measuring ruler, extend the front part and cut away the extra part, the rest is precise size.