A44002
The Helix Precision Drawing Set is the perfect tool set for technical and professional drawings, as well as school work and more. This is ideal for students and design professionals alike. The set includes a precision thumbwheel compass, a technical compass, a 140mm extension arm, 2mm replacement leads and a pen adaptor. The maximum circle diameter allowed with this set is 320mm. The drawing tools come in a handy hinged lid case, ideal for compact and convenient storage.