All Metal Material: The heavy-duty compass ensures lasting satisfaction Easy Control: Holds tight and locks in place with an adjustable wheel User Friendly: No more slipping, this precision geometry compass allows for perfect circles. Maximum Diameter: Creates circles up to 10 inches in diameter Free Bonus: 2 compasses, 6 additional leads, 4 nuts, 4 screws, 2 reusable pouches Drafting compass. Small bow compass with precision center wheel allows for extremely accurate settings. Student compass features set center wheel leg adjustment for added convenience. Color: Blue Material: Metal Drafting Type: Student compass Drawing lead can be sharpened or replaced Center wheel allows for extremely precise settings Set center wheel leg adjustment Includes spare leads Easy-to-handle design Easy-to-use compass Bow compass prevents leg movement during drawing Every child can change the radius of the circle effortlessly and lock it in position to achieve desired circles Drawing compass A must-have item for school supply lists Ideal assistant for children's math classes Easily draws small circles without shaking Children can draw circles with ease and without frustration Prepare your kids for each class Compass with lock Back to school gift A practical back-to-school gift for friends, children, and teachers A geometry compass that helps every child say goodbye to the difficulty of drawing perfect circles Compass for geometry Suitable for Everyone This drawing compass is designed for anyone who enjoys creating perfect circles, including students, teachers, carpenters, metalworkers, engineers, architects, mathematicians, artists, craftsmen, and designers Package includes: 2 spring metal compasses with related accessories Only the above package content is included; other products are not included Note: Lighting and different displays may cause slight color variations between the item in the picture and the actual product. Measurement may vary by +/- 1-3 cm