Monochromatic Light source for Gems Refractometer. Gemstone Gemological Testing

Description

Holiday Return/Exchange Policy: For customers who purchase between now to December 25th, we will automatically extend the return/exchange date to January 31st. No restocking fee, no question ask, hassle free return.
This individual narrow band width(monochromatic) light sourse around 589nm
It can be used on almost every gem refractometers out there! No matter GIA brand or generic brands.
Simply use it like a flashlight.
This listing is for the light source only. Gem refractometer is not included.
Operates with 1 AA battery.
Payments are accepted through Paypal.
We ship through USPS Priority Mail, it usually arrives in 3 business days. International: We charge the same shipping cost to all our customers worldwide. Our default shipping is United State Postal Service First Class mail, it take 5-10 business days for delivery. we also offer Express Mail which only take 3-6 days. Handing time: 1 business day.
MyStoreMaps improve local and international eBay sales.
We promise our best quality and the lowest price for our customers. You can return it for a full refund/exchange if it is in new/resaleable condition within 30 days.
Our goal is to place a profit margin of ~ per item and sell in volume. As such, the more you save the more we make. While the others are selling 1 item, we are selling 10 ~ 20 items due to our price reduction.
Please use the "Ask Seller A Question" button. Please allow up to 24 hours for a response. Usually the buyer will get response in 6 hours.
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