DIYers and makers, this KETOTEK digital caliper is an absolute essential for anyone who needs precise measurements! The 0-6 inch (150mm) range covers most projects, and the accuracy is impressive - it measures to 0.001 inch with 0.01mm resolution. The stainless steel construction feels solid and professional in your hands, and it won't scratch delicate surfaces when measuring. The large LCD screen makes reading measurements super easy, and the one-button conversion between inches and millimeters is incredibly convenient. I love the zero function - you can set zero at any position to take comparative measurements, which is so useful for multiple measurements on the same piece. The thumb roller makes smooth adjustments easy, and the locking screw holds your measurement in place. It automatically turns on when you start sliding and shuts off after 5 minutes of inactivity to save battery. The package includes everything you need - the caliper with battery already installed, an extra battery, a mini screwdriver, a sturdy plastic case, and user manual. Whether you're into 3D printing, reloading, woodworking, metalworking, or any hobby requiring precision, this caliper delivers professional-grade accuracy at an affordable price. The build quality feels much more expensive than it is, and it's become one of my most-reached-for tools in the workshop. If you need precise measurements for your projects, this digital caliper is absolutely worth the investment - it's accurate, easy to use, and built to last through years of use!