This universal protractor with easy-to-read markings is one of the most commonly used mathematical tools and meets the criteria of for school supply lists. The bottom side length is 4 inch (10cm) making it easy to store it pencil cases, pencil pouches or notebook pockets. The durable plastic material makes it sturdy enough to not easily bend or break. This protractor is a STEM accessory must have.
This protractor is very clear in color, so it does not distort. The markings are printed in black to you can read quickly and with great accuracy.
Plastic protractor features two rings of degree measurements. There are 2 circle numbers, you can read the angle anticlockwise and clockwise.
Measurements are numbered every 10° with single-degree markings in between.