This is a high quality folding magnifier with 10X magnification through the 14mm lens. The frame of this magnifier is manufactured from a matte finished chrome-plated metal with sturdy hinges allowing it to fold into a compact package. The operational surface is 12 x 12mm. The frame includes a small scale for measuring or using as a visual reference point. The approximate height when opened out is 31mm. To protect your folding magnifier, it comes with velvet pouch.