1: Planumberebog: Highlighting a 1: plan, users can directly arrange the tool with the object exist measured, providing live and accurate readings, minimizing errors and enhancing the user knowledge Fine Measurement Extent: This sliding diameter measuring tool precisely procedures diameters as small as 2mm and diameters up to 100mm, ideal for both small and large round objects, especially facilitating measurements of tiny dimensions Excellent ABS Substancemail: Constructed from permanent and thin ABS polystyrene, this tool is immune to effect and wear, ensuring extended use and stability in various conditions Wide Applicatparticlemail: This sliding diameter measuring tool is widely used household, craft making, and mechanical processing, facilitating quick and accurate measurements of various round objects Easy Actparticlemail: The inherent sliding plan allows users to set the tool to the wished size, making it user friendly even novices and improving work efficiency, Manufacturer: RGYBAO