Fashion Radian Meter Portable Eyeglass Apparatus Precise Spectacles Tester Glasses Lens Curve Measurement Tool

• 
• Scratch detection head: The top of the probe is smooth and not easy to wear lenses.
• Stainless steel thread: It is comfortable, skid resistant and not easy to fall.
• Scale and pointer: It has accurate calibration, anti shake pointer, clearly visible.
• Stainless steel case: It is made of stainless steel case, not easy to damage.
• Product diameter: 50mm; Outer package size: 73*86*33mm; Material: stainless steel
• Specifications:
  Color: Blue + Black
  Material: Metal
  Lens Refractive Index: 1.53
  Measure Scope: +/-20mm
  Item Size: 6 * 5 * 1.3cm / 2.36 * 1.97 * 0.51in
  Item Weight: 62g / 2.20oz
  Package Weight: 115g/ 4.03oz
  
  Package List:
  1 * Eyeglass Radian Tester
  1 * Manual

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