'Monsieur Magni' Innovative 3.5x compact MAGNIFYING GLASS (flexible / adaptable). WATCH THE VIDEO! engineer sl-64 3.5x magnification Lens (40mm Lens diameter) Supplied with carrying case (which doubles as a magnetic base to make the magnifier self standing) Foldable Arm, flexible design Powerful neo magnet integrated (attaches to any ferrous material - fridges, hand tools etc.)