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. Microban® Antimicrobial Product Protection inhibits the growth of bacteria that causes stains and odors. Protractor will be blue gray green or pink. Degree Graduations: 1/2° Material(s): Plastic Ruler Size: 6" Ruler Edge Color(s): Assorted.Unit of Measure : Each