High-Precision Inner Diameter Dial Indicator (10-18mm / 35-50mm / 50-160mm)

Ultra-Accurate Measurements
– Engineered with a high-sensitivity dial gauge for precise inner diameter readings, ensuring tolerances within ±0.01mm. Ideal for machining, automotive, and industrial quality control.
Durable Hardened Steel Construction
– Features a wear-resistant chrome-plated measuring spindle and hardened alloy frame for long-term reliability in harsh workshop environments.
Versatile Range Options
– Three interchangeable anvils (10-18mm, 35-50mm, 50-160mm) cover diverse bore sizes, eliminating the need for multiple tools. Perfect for engine cylinders, pipe fittings, and precision bearings.
Ergonomic & Easy-Read Dial
– Large 45mm face with anti-glare crystal lens and bold graduation marks for effortless readability. Reverse-rotation mechanism prevents misalignment during measurements.
Workshop & Lab Ready
– Includes a shock-resistant carry case and calibration certificate. Trusted by machinists, mechanics, and QA inspectors for flawless dimensional verification.