Need to center a workpiece or fixture accurately on a mill, lathe, or CNC machine? This carbide-tipped inside diameter feeler (Model CXA-1) makes it easy. It lets you find true center to within 0.0002 inches—super precise. Works on horizontal or vertical machines, inside or outside diameters. The cool part: the indicator stays fixed while the spindle rotates, so you can adjust the table until everything’s perfectly aligned. Great for CNC, EDM, and other setups where the spindle is hard to turn manually. Helps reduce setup time and improves accuracy. Made with a durable carbide tip for long life. Just remember to keep speeds under 800 RPM for best results. Simple, reliable, and a must-have for machinists, toolmakers, or anyone doing precision work. Takes the guesswork out of alignment. Perfect for shops, hobbyists, or repair work. Compact, easy to use, and built tough. Stop struggling with centering—this tool gets it right, fast.