Technical Compass Set of 2 | Isomars This set consists of a precision metal caliper with a center wheel for circle adjustment and an additional safety needle housed in a small plastic case. The quick-adjustment mechanism allows for precise setting of the required radius without additional effort. Its lightweight and durable materials make it suitable for technical, engineering, or academic drawing. Key Features: Quick-adjust system with variable radius capability Durable, lightweight design for easy construction and storage FAQs: The set includes a precision centre‑wheel compass for accurate circle and arc drawing, plus a spare needle to replace worn or damaged points A lead case is provided to keep spare leads organized and accessible An attachment and extension bar are included, enabling more versatile usage and the ability to draw larger circles Why You’ll Love Shopping With Us? Quality art supplies Budget-friendly prices Fast shipping to Jordan Great selection From scientific calculators and rulers to compasses and precision cutting tools , we’ve got all your university essentials .