Maped Technic Compass 7 Piece Set Maped Technic Compass has a patented locking blue lever easily locks & unlocks the legs. Double knee-joint for parallel leg positioning allowing for precise circles Adjustable legs fold in for safety Precise execution of circles up to 14 inches diameter Comes in shatterproof storage case Set includes: Maped Technic Compass, universal holder, 0.5mm mechanical pencil, lead sharpener, pack of leads, graphite pencil, & extension arm.