Application: Perfect for teaching a class when using a whiteboard or chalkboard.With Suction Cup: The suction cup inside the joint helps lock the dividers in place to ensure accuracy when drawing.Material: Made from durable plastic that allows it to handle many drops and years of use in the classroom setting.Suitable for: Designed for math geometry and art drawing.Size: The legs are 18 inches long and can easily hold markers or chalk.Specifications:Type: Teaching CompassMaterial: PlasticColor: RedSize(L*W): about 455x75mm/17.91x2.95inchPackage Included:1pc x Teaching CompassNote: This does not include other things, the color is based on the first picture, and other pictures only show the effectDue to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!,