SENLIN DENTAL Endo Measuring Finger, Tooth-Shape Portable Stainless Steel Gauge Finger Ruler Dental Root Canal Measurement Instrument DENTAL MEASURING FINGER: Stainless steel dental measuring finger with serrated edge. Root canal measurement range: 0-30mm. 135°C ultra-high temperature sterilization. PREMIUM MATERIAL: Crafted from high-grade stainless steel, this dental measuring ruler is robust, durable, and built for long-term use. ADJUSTABLE: The adjustable span ruler slips easily onto the finger, comfortably fitting various finger sizes for precise length measurement to meet diverse needs. HIGHLY PRACTICAL: Our root canal measuring finger feature a lightweight design with a smooth, non-abrasive surface. Simple to operate and highly functional. VERSATILE APPLICATION: Suitable for measuring the length of files, reamers, and other dental instruments. Easy to clean, rust-resistant material allows for safe repeated sterilization and reuse.