DescriptionFeaturing polished surface with clear engraving scale, this Circle Protractor is easy to read, durable and convenient to use.Perfect for various purposes, like woodworking, angle and length measurement, architectural design, house designing, school teaching, personal drawing and much more.Features-Color:Sky-blue -Material:Plastic -Size:11.50X11.50X0.20cm/4.52X4.52X0.08in - This Circle Protractor is made of premium material, not easy to crack or break, support long term use.- Small in size and light in weight, easy to carry it in your bag to use it anytime and anywhere.- Designed with accurate and clear scale, provide you high precision, so you can draw or paint effortlessly.- You can give it as a gift for your kids to learn math, an easy and convenient way to save their time.- Smooth in surface without any burr, safe and comfortable to use, will not hurt your skin.