High Quality Professional Compass/DividerFor math. geometry. art. drafting and drawing. circles up to 10 inches in diameterMetal MaterialLight weight nickel plating compass hight quality ensures you a lasting satisfaction.Adjustment Wheel and Locking MechanismEasy to use. prevent the unintentional leg movements. Not slipping from your hand. Draw up a perfect circles by this compass.Reusable Clear PouchEasy to carry and store in the reusable pouch. Perfect for students. teachers. artists. architects. mathematician. engineers. woodworking and carpenter.Precision Compass with Spring Bow HeadCenter wheel prevents unintentional leg movement About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.