Sometimes described as jewellers loupes, these High Power folding magnifiers are used for the close inspection of such items as circuit boards, hallmarks, stamps, watermarks and precious stones. Of very compact size, the lenses of these robust magnifiers are protected by revolving into the metal cover. Frequently used by gemologists, jewellers, stamp collectors, coin collectors, collectors of antiques bearing hallmarks, geologists and botanists, these magnifiers have a multitude of applications.