For anyone who works with wood or metal, this AnNafi centering square is a super handy little tool. It's called the CTR1, and it's designed to quickly find the exact center of round or square stock—no guessing needed. The blade has a knife edge for precise marking, and it's also great for checking 90-degree and 45-degree angles in tight spaces. It's built tough with a heavy beam, so it feels solid in your hand. Perfect for carpenters, machinists, DIYers, or hobbyists. Whether you're building furniture, doing metalwork, or just need accurate center marks for drilling, this tool makes life easier. The quality is really good, especially for the price. It's one of those tools you didn't know you needed until you try it. Fits easily in a toolbox or apron pocket. If you hate measuring and remeasuring to find centers, this square finder will save you time and frustration. Simple, effective, and reliable—exactly what you want from a layout tool.