Focket Wing Divider, DIY Tool Math Compasses, Durable Accurate for Geometry, Divider Compass(200mm)

? ???????【Materials】???????? Made of parts and solid construction, entirely made of metal, coating compass, durable and can be repeated for a long time. ? ?????? Easy to use: This compass is exactly what an artist, student, or hobbyist needs. It can be used as a basic drawing or drawing instrument for both projects and graphics. ? ?????? Additional functions: With the gear head construction and double fracture leg design, this compass comes with an additional container as well as a beam rod that allows precise drawing of circles up to 20 inches in diameter. Good learning partner: light weight, easy to hold. Compact size, convenient to carry. It is a good math tool set for mathematics, geometry, art, drawing and drawing, etc. For children and adults: Excellent for use at school, woodworking or at home. The best tool for drawing circles for students, artists, mathematicians and carpenters.