NIUNIU Proportional Scale Divider Drawing Tool for Artists Adjustable Plastic Adjustable size scale student children's multi-function drawing ruler Pantograph Drawing Tool is easy to use, just aim at your object with the upper tip of the arm length and use the bottom point to transfer in perfect proportions Adjustable Proportional Scale Divider Tool transfer measurements from real-time objects, photos, or sketches to achieve accurate scale and perspective in the finished artwork is not only suitable for architects and engineers. For artists, this is a very good choice Proportional Scale Divider is made of plastic, strong and wear-resistant, not easy to damage, and can be reused for a long time Colour: Black Size: about 26*1.8cm Quantity: 2 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.