A school tool designed with students in mind. Features a movable arm for greater accuracy. Soft touch grip and non-skid backing for better control. Protractor is infused with antimicrobial protection to inhibit the growth of bacterial odors on the product. Protractor will be blue, gray, green or pink. Degree Graduations: 1/2?; Material(s): Plastic; Ruler Size: 6″ Ruler Edge; Color(s): Assorted.