用于起草 NCH9-30-60

It is very important to use reliable and convenient drawing tool the real helper in the drawing as regular circles, and in constructing large and complex drawings. Kit contents: Caliper, steel, Nickel-plated, pencil Case with spare stylus, Pencil, black lead, Sharpener, Eraser, Triangle 30° Triangle 45°, Protractor, Ruler 15 cm