The Bullseye® Compass features a transparent pivot point and a Quick-Set™ radius indicator with 2 radius holes for easy and accurate drawing of circles. Students can determine and draw the radius in customary or metric scales and even use the built-in protractor to construct and measure angles. Overhead and desktop models available. Compass is made of shatter-resistant SAFE-T® Plastic for years of use and measures 6"L. Grades 3+