The Universal Thread Restorer is designed for sizes ranging from 5/32 inch to 1/2 inch (4-13 mm), making it versatile for both inch and metric measurements. This tool is branded as UTR and is suitable for automotive applications, specifically for threading tasks. The included Manufacturer Part Number is Lpn N D4qk81zjb, providing a unique identifier for the product. The system of measurement for this thread restorer is metric, allowing for precise and accurate sizing adjustments.