Dear Supplier, It is nice to write to you. This is Erik from Mexico. I do have a customer that is interested your manual Optical Instrument Auto Refractometer. could you please send me the quotation from this with the details as below: Warranty, Dimension, model Number, How long will it take to receive shipment by air? thank you very much for taking the time to answer my questions. warm Regardserikangels boutiqueprice x 1 unit Show More