Check the listing for details. NIDEK Auto Refractometer Model AR-600 Operator's Manual. Condition: Used. Listed at 20.00 USD. NIDEK Auto Refractometer Model AR-600 Operator's Manual Clean with light handling wear to cover-- See picture(s). ~40+ Pages - Complete > Alabama residents responsible for 9% sales tax. International buyers are responsible for all import fees and taxes. Shipping costs: Shipping costs on this item are $3.50 Media or $7.50 First Class Mail in U.S.. My shipping costs are calculated on three factors - getting your item to you as quickly as possible, as cost effectively as possible, and as safely as possible. I pride myself in providing optimal protection. I use First Class or Priority Mail on most small items; Parcel Post on larger items; and Media Mail on books and magazines. You may request expedited shipment if you are willing to pay costs. P/H is combined on multiple items mailed at the same time. Please make your purchases from my auctions or store. Ebay does not always correctly combine P/H. If you will request an invoice, I will send a combined invoice reflecting your savings. History-On-Paper Item #0217-WH774