Complete Set: Our professional compass set includes a small compass large compass extension beam adapter pencil lead pencil sharpener and marking pen. The set comes in a storage box making it easy to carry with you on the go. Quality Material: Made from high-quality zinc alloy steel and plastic our compass set is strong durable and non-toxic. Plus it won't easily deform so you can rely on it for all your drawing needs. Easy Circle Drawing: Whether you're a professional or beginner our compass set makes drawing circles a breeze. With the included extension radius you can easily draw both small and large circles with ease. Wide Usage: Perfect for fine line drawing technical drawing calligraphy and more. This compass set is suitable for architects engineers draftsmen builders roofers teachers and students making it the perfect addition to any toolbox. Outstanding Customer Service: We stand behind our products and take customer satisfaction seriously. If you have any questions or concerns about our compass set please don't hesitate to contact us. We'll do our best to make it right.