The frame of the compass is made of high quality zinc alloy. Our company produces many kinds of compasses and drawing set. We can supply many different colors and can provide OEM services. The set includes a compass, ball pen, eraser, leads, ruler, set square and protractor with a plastic box. Inner packing: 12 sets/box Outer packing: 144 sets/ctn Carton dimensions: 54 x 31.5 x 35.5cm