High-Precision Micro Hole Gauge, Hole Tapered Ruler, Conical Internal Diameter Measuring Tool, 士0.03mm Accuracy, Measuring Range 0.1-5mm, for Lab & Industrial Use.

High-Precision Micro Hole Gauge, Hole Tapered Ruler, Conical Internal Diameter Measuring Tool, 士0.03mm Accuracy, Measuring Range 0.1-5mm, for Lab & Industrial Use.

• Precise 0.1–5mm Inner Diameter Measurement: This high-precision aperture gauge measures micro holes from 0.1–5mm without visual parallax, ensuring accurate readings from any angle. As a professional hole tapered ruler, it’s ideal for precision machining, jewelry making, and electronic component inspection requiring reliable inner diameter detection.
• High-Precision 0.01mm Scale & ±0.03mm Accuracy: The taper aperture gauge features 0.01mm laser-engraved graduations that resist wear, delivering ±0.03mm accuracy to meet strict professional and hobbyist standards. This calliper gauge alternative offers superior precision for micro hole measurement tasks.
• Ergonomic Pen-Style Handle Design: Crafted with a textured anti-slip grip and compact 167mm pen-like structure, this aperture gauge reduces fatigue and enables easy operation in tight spaces. Lightweight and portable, it’s perfect for lab and workshop use as a handy hole tapered ruler.
• Durable Metal Probe & Protective Case: Built with a robust metal probe and sturdy handle, this taper aperture gauge ensures long-term reliability. It comes with a hard plastic case to shield the calliper gauge - style tool from scratches, dust, and damage during storage and transportation.
• Versatile for Lab & Industrial Precision Tasks: This multi-functional hole tapered ruler is suitable for measuring small holes, gaps, and inner diameters in mechanical engineering, watch repair, 3D printing, and fine crafts. A must-have aperture gauge for professionals and DIY users in lab and industrial.