Aperture Gauge Conical Feeler Ruler, Stainless Steel Inner Diameter Measuring Tool, Tapered Hole Gauge with Scale Marks for 15-30mm Thin - Walled Parts and Plastic

Item Type: Aperture GaugeMaterial: Stainless SteelMeasuring Range: Approx. 15-30mm / 0.6-1.2inType: Thread GaugeAccuracy: 0.1mmPackage List：1 x Aperture Gauge

• High-Precision Measurement: This stainless steel aperture gauge delivers accurate inner diameter readings from 15 to 30mm with 0.1mm precision, making it ideal for quick and reliable checks on thin-walled components, plastic pipes, and small bores where exact sizing matters.
• Clear Scale Marks: The conical feeler ruler features clearly engraved scale marks along its tapered surface, allowing you to easily read measurements without extra tools or guesswork—just insert and match the point where resistance begins to get an instant reading.
• Versatile Application: Designed for mechanics, engineers, and DIYers, this aperture gauge works perfectly for measuring holes in automotive parts, plumbing fittings, electronic housings, and other cylindrical openings that require fast, tool-free diameter verification.
• Durable Stainless Steel Build: Crafted from high-quality stainless steel, this inner diameter measuring tool resists rust, , and wear, ensuring long-lasting performance even with frequent use in workshops, garages, or industrial environments.
• Compact and Easy to Use: With its simple conical structure and no-moving-parts design, the aperture gauge requires no calibration or batteries—just slide it into the hole until snug, then read the corresponding mark for a fast, intuitive measurement experience.