Refractometer, Eyeglasses Calibration Screwdriver, Flat Head, Brix Salinity Wort

Item Description: Refractometer Calibration Screwdriver - For Eyeglasses too!  This is for the part only, NOT a full refractometer!   Product Specs: * Flat Head Refractometer Calibration Screwdriver * Color of screwdriver could vary - usually either black or blue * 85mm long (from end to end - andle to screwdriver tip) * 7mm diameter on handle   Works with ANY Refractometer that requires a flat head screwdriver for calibration. For use on Brix, Salinity, Clinical, Refractive Index, Antifreeze, Honey, Syrup and other Refractometers!           National Industrial Supply 30777 Rancho California #891420Temecula, CA 92589, USASales: 310.748.6858  -  Fax: 310.733-5480  -  Email: nisupply@gmail.com  -  Website: www.nisupply.com