Precise measurements 0-6 in SAE range with an accuracy of +/- 0.001 in. Suitable for detailed work in electronics, jewelry making, and other fine measurement tasks. Delivers tight tolerances and helps reduce rework. Robust construction Made from durable stainless steel with a shockproof dial. Dial diameter is 1.5 in for enhanced readability and lasting resilience in daily use. Versatile functionality Equipped with a precision thumb roller and a zero adjustment dial. Supports external, internal, depth, and step measurements for flexible applications and quick setup. Ergonomic design Finger traction provides a secure, comfortable grip. Designed to improve control and ease of use during intricate measuring tasks. Key specifications at a glance Range: 0-6 in SAE Accuracy: +/- 0.001 in Dial diameter: 1.5 in Material: stainless steel Measurement types: external, internal, depth, and step Features: precision thumb roller, zero adjustment dial Use scenarios Electronics assembly and inspection - Verify component housings, connector clearances, and PCB thickness to ensure proper fit and function. Jewelry making and gem setting - Check prong gaps, ring shank widths, and stone settings to confirm precise dimensions and secure settings. Small mechanical and craft projects - Measure external diameters, internal bores, depths, and steps on fabricated parts to maintain tight tolerances across tasks.