GN-2.5 Large Gooseneck Magnifier with 3.8" inch round glass 2.5x lens and cast iron base, makes it an ideal work and hands free magnifier this design is ideal for reading, inspection, sewing, soldering, threading, polishing. The 12" gooseneck feature allows for unlimited angle adjustment for the ideal working angle. Solid cast iron base construction makes this one of the finest Flexible Stand Gooseneck hands free magnifiers available. Heavy Solid construction suitable for commercial and industrial use.