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. Ships in 1 business day. ! Refractometer Calibration Screwdriver - For Eyeglasses too! This is for the part only, NOT a full refractometer! * Flat Head Refractometer Calibration Screwdriver - color and length of screwdriver will vary For use on Brix, Salinity, Clinical, Refractive Index, Antifreeze, Honey, Syrup and other Refractometers! Payments are accepted through Paypal. We ship through USPS First 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 10-15 business days for delivery. we also offer Express Mail which only take 3-6 days. Handing time: 1 business day. 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 $1 ~ $3 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. Track Page Views With Auctiva's FREE Counter