- Part Number: GP 2009-20K/40K/100K
  - Magnification: 20x/40x/100x
  - Field of View: 8.2/4.3/1.7 mm
  - Measurement range: 5/2.5/1 mm
  - Scale increment: 0.05/0.025/0.01 mm
  - Working distance: 15/20/9 mm
- Material: ABS + optical lens
- Applications: Jewelry appraisal, textiles, printing