["Description:\r\nMeasuring Range : for w/for w 0-10%\r\nMinimum Divisions : for w/for w 1‰\r\nAccuracy : ±1‰\r\nLength : 18CM\r\nHeavy duty (Durable Aluminum)brand new and high quality\r\nfor Ideal for garage workshop, metal workers ,builders, car mechanics, spray painters and DIY\r\nProfessional manufactured and designed for efficient blowing of air, the cleaning of parts and surfaces\r\nMade of metal\r\nComes with a 10cm spare nozzle\r\nDimensions: 145mm x 85mm x 12 mm (L x for W x H) (approx)\r\nThis refractometer is design according to the principle that different concentrations liquid have different refractive index ,with quick and accurate characteristics.\r\nAutomatic temperate compensation, the temperature of the water sample will not effect the reading.\r\nPackage includes:\r\n1 x Test Salinity Refractometer\r\n1 x Pipette\r\n1 x Wipe Cloth\r\n1 x Mini Screwdriver\r\n1 x Protective Carrying Case\r\n1 x Operations Manual"]