PREMIUM MATERIAL: Crafted from durable zinc alloy, this professional compass is designed to resist rust and withstand daily use. STRONG PRACTICALITY: Featuring a spring chuck and a center wheel, this precision drawing compass minimizes unnecessary leg movements, ensuring accuracy in every use. The grooved compass head provides a secure, non-slip grip, making it ideal for drawing precise circles without the risk of dislodging. SCOPE OF APPLICATION: This versatile compass geometry set is perfect for a variety of users, including students, artists, mathematicians, carpenters, and hobbyists in woodworking, metalworking, or leatherwork. It's an essential tool for classrooms, offices, workshops, or home projects. USEFUL FOR ACADEMIC LIFE: Designed for ease of handling, this compass prevents unintended leg movements, allowing you to maintain control as you draw perfect circles, enhancing your work's precision. PRODUCT SPECIFICATION: Size: 26cm. Package Includes: 1x Compasses Set.