DETAILED DESCRIPTION:The electronic radian gauge apply to test the curve of lenses.FEATURES:-Electronic gauge with 8 refraction index:1.49/1.53/1.56/1.59/1.60/1.67/1.70 and 1.74 in one gauge.-With three sensitive points at the end of gauge.-Special made round points prevent the scratch to lenses.-Plastic case more light than mechanical items.-LED screen easier to read test result.RELATED ITEMS:-------------------------------------------------------------------------------------------------------------------------------------------WHY CUSTOMERS CHOOSE US:1. HIGH QUALITY WITH COMPETITIVE PRICE;-SELECT HIGH QUALITY RAW MATERIAL;-SELL GOODS BY FACTORY DIRECT PRICE WITHOUT AGENCY;2. GOOD BEFORE-SALE AND AFTER-SALE SERVICE;-REPLY YOUR ENQUIRY WITHIN 24 WORKING HOURS BY SKILLED STAFF;-ONE TO ONE CUSTOMER SERVICE TO SOLVE YOUR PROBLEM IN THE FIRST TIME;-FOLLOW YOUR FEEDBACK ON TIME AFTER GOODS SHIPPED.3. WELL-TRAINED AND PROFESSIONAL STAFF.-SEVERAL YEARS EXPIRENCE IN THIS FIELD.4. QUALITY CHECK FIRST BEFORE YOU PLACE AN ORDER. -A CERTAIN FREE SAMPLE BY FREIGHT COLLECT IS ACCEPTABLE.YOU CAN CHECK THE QUALITY FIRST, SO THERE IS NO WORRY ABOUT THE QUALITY.5.MOQ IS FLEXIABLE.- BOTH TRIAL ORDER AND BULK ORDER ARE WELCOME.WE DO BOTH RETAIL AND WHOLESALE, SO THE MOQ IS FLEXIABLE FOR ALL CUSTOMERS.6. THE QUALITY OF PRODUCTS ARE GUARANTEED..-THE QUALITY OF MASS PRODUCTION ITEMS ARE CHECKED BY APPOINTED QC BEFORE DELIVERY.7. STABLE PRODUCTION AND SHORT DELIVERY DATE.-WE PRODUCE AND WE CONTROL THE QUALITY FOR YOU. -COMMON ITEMS ARE IN STOCK, FASTER LEAD TIME.8. ONE-STOP PURCHASE-CUSTOMERS CAN PURCHASE ALL KINDS OF OPTICAL ACCESSORIES & INSTRUMENTS FROM US. WE NOT ONLY PRODUCE MANY OPTICAL ACCESSORIES SUCH AS SILICONE NOSE PAD, ANTI-SLIP NOSE PAD, SCREWS ect BUT ALSO HAVE GOOD COOPERATION WITH MANY OTHER MANUFACTUREIF YOU WANT TO KNOW MORE ABOUT US, WELCOME TO CONTACT.Contact person: Miss ZoeTel:+0086-0512-36687362Fax:+0086-0512-36685841Website:hmcoptical.en.made-in-china.com