2 Piece math set: compass and protractor are great for drawing circle and measuring angle, good for students, teachers, engineers, designers, artists, etc. 2 Diverse tips design compass: compass is made of stainless steel, sturdy mechanism can hold a radius well; The opposite side of the pencil end is an adjustable separated jaw which allows you to fix the ink or paint Integrated compass package: compass comes with a clear box, contain 1 piece geometry compass and 1 box refill packaged in a transparent box, convenient for organized and carry 6 Inch protractor: made of plastic, inch marks is up to 6 inch, centimeter marks is up to 10 cm; Range of 0 to 180 degrees, and clear color allow you see the words, letters, figures on page through the protractor International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.