OLRWSLG 7 Pcs Metal Compass, Premium Drafting Compasses Professional Compass Drawing Set Precision Compasse with Lock Wheel Extra Lead Refills Geometry Tool for School

【Complete Ready-to-Use Kit | 7-Piece Geometry Set with Essential Accessories】 This Drawing Compass Set offers a comprehensive solution, containing two compasses (small and large), an extension beam, a converter head, a pencil lead, a sharpener, and a spare needle, all within a protective case. This all-in-one geometry set is designed to be ready for immediate use in math class, DIY projects, or professional design work, potentially reducing the need to source separate tools 【Professional Precision & Durability | All-Metal Construction in This Drafting Compass】 Crafted from robust zinc alloy with a premium electroplated finish, this Professional Compass for Geometry is built to provide reliable stability and lasting durability. The solid metal construction can help minimize wobble during use, supporting consistent accuracy for tasks like technical drawing, engineering drafts, or classroom geometry lessons, making it a practical reusable geometry tool 【Extended Radius Drawing Capability | Detachable Beam for Large Circles】 Overcome limitations on circle size with the included extension beam. By attaching this component to the main Metal Compass, users may expand its reach to draw larger diameters without needing to readjust or sketch in segments. This feature aims to facilitate the creation of big, single-stroke circles for architectural plans, posters, or classroom demonstrations, promoting efficiency 【Secure Locking Mechanism | Adjustable Central Screw for Stable Performance】 Achieve and maintain your desired radius setting with the precision central screw. This adjustable mechanism allows for fine-tuning and then securely locks the compass legs in place, which may help prevent unintended shifts while drawing. This design seeks to support the creation of smooth, continuous arcs and precise circles in both educational and professional drafting scenarios 【Versatile Multi-Scenario Tool | Suitable for Educational & Professional Drafting Needs】 Designed to serve a wide range of users, this Precision Maths Compass supports applications from school geometry homework to complex mechanical design. Its balanced functionality makes it a potential fit for students, teachers, artists, and engineers, aiming to provide a single, reliable compass drawing tool for various precision tasks in learning, teaching, and professional environments