Whether you ' re working on detailed engineering designs , architectural plan , or classroom projects , these rulers is perfect for precise measurements Each ruler features a detachable clip for easy portability and secure attachment to notebook or shirts , ensuring you have your measuring tool at all times Ideal for architects , engineers , machinists , and students , these pocket rulers provide accuracy for professional and educational setting alike With their silver finish and construction , these stainless steel rulers not only functionality but also add a touch of professionalism to your toolkit This set of 6 precisions pocket rulers , crafted from stainless steel , both measurements , making it a essential tool for accurate measurements in any project, Manufacturer: TSMORY