Staedtler Mars Comfort, Professional Drafting, Drawing Compass with Extension Arm, Draws Circles up to 19.5 Inch Diameter, Spring Bow Compass with Center Adjuster Wheel, 551 02

PROFESSIONAL DESIGN – Metal build, a comfort grip, and interchangeable leads provide durability for technical drawings. Used by architects, engineers, and artists alike, this solid metal compass is the circle drawing tool for professionals
PRECISE DRAWING – Features a comfort grip on top and micro-step adjustment wheel to lock in the exact diameter you need. Draws circles up to 10.5″ on its own, up to 19.5″ with the extension lead
COMPLETE COMPASS SET – Hard case includes 6″ precision compass, 2 mm spare leads, replacement needle heads, and an extension bar, making this drawing set ideal for drafting or professional use
EASY OPERATION – This drawing compass features smooth-gliding hinged legs and replaceable needle points, ensuring consistent results whether drafting precise details or large technical drawings
STAEDTLER – Leading manufacturer and supplier of writing, paint, drawing, and modeling products that help people around the world realize and share their ideas