New 2-Packs 30x 21mm Jewelers Loupe Pocket Magnifying Glass 

• Chrome plated metal body with glass lens
• The 30x power loupe has a focal distance of 1/2" (13mm) with 21mm dial lens size
• It include a small loop to attach to a neck chain or key chain
• It comes with its own hard plastic felt lined storage case
• Loupe dimensions: 38 x 26 x 18 mm
  
• Good for identifying small marks on jewelry, watch making industry, specially for inspecting