Ideal for students, engineers, enthusiasts, and professional technicians search Stable measurement tool Achieve precise measurements with our 9cm/4 inch protractor, featuring Double metric and british units for Multifunction Angles measurement needs Perfectly suited for classroom teaching, engineering design, crafting projects, and home Renovations tasks Crafted from steel, this protractor boasts clear graduations and a Easy Carry design, making it easy to store and use Enhances your Precisions work with this essential tool, ensuring accuracy in every project, whether you're working on intricate designs or simple household tasks, Manufacturer: ZBIianxer