Helix Compass Helix Technical 130mm

High quality precision drawing compass in a protective case. Precision Thumbwheel compass. Technical compass. Quick-release for fast adjustment. Geared head for centering. Adjustable knees for precise small diameter circles.  

• Quality metal compass
• Adjustable knees allow for precise, small diameter circles
• Complete with 2 x replacement leads and additional screws and nuts
• Compass height: 130mm
• Maximum circle diameter: 230mm