School tool kit contains eight popular tools for math class success. Durable plastic and metal tools withstand use from year to year. Includes metal compass with mechanical pencil, lead refills, mechanical pencil, 6" ruler, protractor, 45 angle triangle, 30-60-90 triangle and eraser. Includes a plastic hard case to safely store all pieces. Color(s): Blue; Gray; Material(s): Metal; Plastic; Ruler Type: N/A; Standard Scale: N/A.