Feature
●【Material】The circle protractor rulers are made of high quality plastic, and fine workmanship, are sturdy and not easy to break, have smooth and burr-free edges, do not hurt your hands, safe to use.
●【Design】The 360 degree swing arm protractors’ transparent design helps you to read the scale on it quickly; Besides, they have a unique swing arm design, which allows you to swing the arm 360 degrees, and help you get the precise angle.
●【Easy to Carry】The circular swing angle finders are 4.72in/12cm in diameter, small in size and light in weight, easy to store, you can carry them around in your school bag or file bag, and convenient for you to use when needed.
●【Easy to Use】Both the inside and outside of circular ruler protractors have a 360-degree measuring angle, which is beautiful and concise. They use forward and reverse order to display the measurements, which can save your computing time and improve your work efficiency.
●【Widely Application】The 360-degree protractors are suitable for use in classrooms, offices, engineering, etc. They are the perfect measuring tool for students, architects and engineers for learning and drafting.
Description