NIUNIU The proportional scale divider tool is not just architects, but also a necessary tool the artist. The tool allows you to transfer an image into the same scale as well as smaller or larger dimensions. If you need to draw the subject a different size from the reference image, the simple tool would help you to draw easier. Proportional scale divider: the proportional scale divider tool can align your desired subject matter in the small end of the divider and transfer the spacing of the larger end to your drawing surface Easy to use:there is a locking device so that you can keep the same proportion on your drawing Adjustable: by moving the blue tab, the scale can be adjusted from 1:1 to 1:5, adjusted any subject size Durable materials: our proportional scale divider is made of sturdy and light plastic, easy to carry and available long-term use Measuring tips: 1. Use small end of divider to measure the height of the desired object. 2. Transfer the spacing of the large end to your drawing surface. 3. If want to change size of drawing, move the blue tab towards the middle of the divider to reduce the transfer size, or move the blue tab toward the end to enlarge the transfer size. Delivery Quantity: 2pcs Package Contents: Only the above package contents, excluding other products. Size: 26*1.8cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)