Machinists and quality control professionals, this INSIZE Micrometer Setting Standard is essential for maintaining measurement accuracy in your shop! The 3-inch length with Type A design provides a reliable reference for calibrating your micrometers and ensuring your measurements stay precise. With an accuracy of +/- 0.00010 inch, this standard gives you the confidence that your tools are measuring correctly every time. The solid construction means it maintains its dimensions through regular use, and the precise manufacturing ensures consistent performance. Whether you're working in manufacturing, metalworking, or any field where thousandths of an inch matter, having a reliable setting standard is crucial for quality control. This isn't just for initial calibration either - regular verification with a standard like this can catch measurement drift before it affects your work. The simple, no-frills design does exactly what it's supposed to without complications. If you're tired of wondering if your micrometer readings are accurate or need to verify your tools meet quality standards, this setting standard provides the reference point you need. It's one of those fundamental tools that serious machinists consider essential equipment, right up there with the micrometers themselves. Keep your measurements trustworthy with this precision standard from INSIZE.