Semicircular 6-inch Protractor 180 Degrees, Assorted Colors 6-pack The Problem: Working on projects that need straight lines or measurements need the correct tools. Kids can't do their math homework without a protractor. A class project that involves angle and length measurements is no fun when you don't have the tools you need. Kids need more than just a straight ruler when it comes to math. You can't measure angles with a simple straight ruler. Our Solution: Whether at school or home, kids need the right tools and these Semicircular Protractors are all you need. This Semicircular 6” Protractor is lightweight with the center cut out for simple lifting and is the tool you or your kids will need and is sold in a pack of 6. With this 6-pack protractor, your class can easily measure from 0˚ to 180˚. Convenient Assorted Protractors gives your class the tools they need. With a 6-Pack of these protractors, you can easily get a class set. Everyone will have the needed tools. Bright Colors Make It Fun for Everyone. These semicircular protractors will be easy to find in your pencil case thanks to bright color design. Lightweight Material with Beveled Edge These math protractors are made from a lightweight material and with a beveled edge. These are perfect for those projects in need of engineering or technical drawing. Center Cut Out for easy Finger Lift Everyone needs tools for school work and projects. Time is wasted trying to get your fingers underneath your protractor to pick it up. These Semicircular Protractors include a cut out center to prevent a difficult pick-up. Safe and Easy for Kids These protractors sets are easy for small fingers to manipulate. They have no sharp edges, making these safe for kids to use on their own. Semicircular solves your problems.